diff --git a/.deployment/monitoring/requirements.yml b/.deployment/monitoring/requirements.yml
index ad768112f..902dc1544 100644
--- a/.deployment/monitoring/requirements.yml
+++ b/.deployment/monitoring/requirements.yml
@@ -3,4 +3,4 @@ collections:
   - name: prometheus.prometheus
     version: 0.16.3
   - name: grafana.grafana
-    version: 5.2.0
+    version: 5.5.0
diff --git a/.deployment/monitoring/setup.yml b/.deployment/monitoring/setup.yml
index 4dc8b39e4..b06d88add 100644
--- a/.deployment/monitoring/setup.yml
+++ b/.deployment/monitoring/setup.yml
@@ -22,10 +22,7 @@
           34313337343261363739653632663736613763613763636561363633653362613238333638313733
           3265616634663435390a306566656530373362623562333232373364393261353864636665316339
           36303161333735313639333735613132626364346536613133626534633063376139
-    # The latest grafana ansible role does not support grafana version 11 (or later) for now
-    # due to braking configuration changes. Please update the grafana ansible collection
-    # and remove this setting to upgrade to the newest grafana version.
-    grafana_version: 10.4.3
+    grafana_version: 11.2.0
 
   tasks:
     - name: deploy nginx vhosts
diff --git a/backend/src/api/model/realm/mod.rs b/backend/src/api/model/realm/mod.rs
index 2e28a1b2c..6d2788769 100644
--- a/backend/src/api/model/realm/mod.rs
+++ b/backend/src/api/model/realm/mod.rs
@@ -22,6 +22,7 @@ mod mutations;
 pub(crate) use mutations::{
     ChildIndex, NewRealm, RemovedRealm, UpdateRealm, UpdatedPermissions,
     UpdatedRealmName, RealmSpecifier, RealmLineageComponent, CreateRealmLineageOutcome,
+    RemoveMountedSeriesOutcome,
 };
 
 
@@ -231,6 +232,28 @@ impl Realm {
         self.is_user_realm() && self.parent_key.is_none()
     }
 
+    /// Returns all immediate children of this realm. The children are always
+    /// ordered by the internal index. If `childOrder` returns an ordering
+    /// different from `BY_INDEX`, the frontend is supposed to sort the
+    /// children.
+    pub(crate) async fn children(&self, context: &Context) -> ApiResult<Vec<Self>> {
+        let selection = Self::select();
+        let query = format!(
+            "select {selection} \
+                from realms \
+                where realms.parent = $1 \
+                order by index",
+        );
+        context.db
+            .query_mapped(
+                &query,
+                &[&self.key],
+                |row| Self::from_row_start(&row),
+            )
+            .await?
+            .pipe(Ok)
+    }
+
     /// Returns the username of the user owning this realm tree IF it is a user
     /// realm. Otherwise returns `None`.
     pub(crate) fn owning_user(&self) -> Option<&str> {
@@ -412,21 +435,7 @@ impl Realm {
     /// different from `BY_INDEX`, the frontend is supposed to sort the
     /// children.
     async fn children(&self, context: &Context) -> ApiResult<Vec<Self>> {
-        let selection = Self::select();
-        let query = format!(
-            "select {selection} \
-                from realms \
-                where realms.parent = $1 \
-                order by index",
-        );
-        context.db
-            .query_mapped(
-                &query,
-                &[&self.key],
-                |row| Self::from_row_start(&row),
-            )
-            .await?
-            .pipe(Ok)
+        self.children(context).await
     }
 
     /// Returns the (content) blocks of this realm.
diff --git a/backend/src/api/model/realm/mutations.rs b/backend/src/api/model/realm/mutations.rs
index a32bf62a7..c02090294 100644
--- a/backend/src/api/model/realm/mutations.rs
+++ b/backend/src/api/model/realm/mutations.rs
@@ -1,9 +1,13 @@
 use std::collections::{HashMap, HashSet};
 
 use crate::{
-    api::{Context, Id, err::{ApiResult, invalid_input, map_db_err}},
+    api::{
+        err::{invalid_input, map_db_err, ApiResult},
+        model::block::RemovedBlock, Context, Id,
+    },
+    auth::AuthContext,
     db::types::Key,
-    prelude::*, auth::AuthContext,
+    prelude::*,
 };
 use super::{Realm, RealmOrder};
 
@@ -379,6 +383,13 @@ impl UpdatedRealmName {
             block: Some(block),
         }
     }
+
+    pub(crate) fn plain(name: String) -> Self {
+        Self {
+            plain: Some(name),
+            block: None,
+        }
+    }
 }
 
 #[derive(juniper::GraphQLInputObject)]
@@ -410,3 +421,10 @@ pub(crate) struct RemovedRealm {
 pub struct CreateRealmLineageOutcome {
     pub num_created: i32,
 }
+
+#[derive(juniper::GraphQLObject)]
+#[graphql(Context = Context)]
+pub(crate) struct RemoveMountedSeriesOutcome {
+    pub removed_realm: Option<RemovedRealm>,
+    pub removed_block: Option<RemovedBlock>,
+}
diff --git a/backend/src/api/model/series.rs b/backend/src/api/model/series.rs
index 645a4290d..511707bec 100644
--- a/backend/src/api/model/series.rs
+++ b/backend/src/api/model/series.rs
@@ -176,7 +176,7 @@ impl Node for Series {
 
 #[derive(GraphQLInputObject)]
 pub(crate) struct NewSeries {
-    opencast_id: String,
+    pub(crate) opencast_id: String,
     title: String,
     // TODO In the future this `struct` can be extended with additional
     // (potentially optional) fields. For now we only need these.
@@ -184,3 +184,8 @@ pub(crate) struct NewSeries {
     // in some way, and since passing stuff like metadata isn't trivial either
     // I think it's okay to leave it at that for now.
 }
+
+#[derive(juniper::GraphQLObject)]
+pub struct PreparedSeries {
+    pub id: Id,
+}
diff --git a/backend/src/api/mutation.rs b/backend/src/api/mutation.rs
index fd926f934..62b676873 100644
--- a/backend/src/api/mutation.rs
+++ b/backend/src/api/mutation.rs
@@ -10,7 +10,7 @@ use super::{
     id::Id,
     Node,
     model::{
-        series::{Series, NewSeries},
+        series::{Series, NewSeries, PreparedSeries},
         realm::{
             ChildIndex,
             NewRealm,
@@ -23,6 +23,7 @@ use super::{
             RealmSpecifier,
             RealmLineageComponent,
             CreateRealmLineageOutcome,
+            RemoveMountedSeriesOutcome,
         },
         block::{
             BlockValue,
@@ -275,6 +276,94 @@ impl Mutation {
         Ok(CreateRealmLineageOutcome { num_created })
     }
 
+    async fn prepare_series(series: NewSeries, context: &Context) -> ApiResult<PreparedSeries> {
+        if context.auth != AuthContext::TrustedExternal {
+            return Err(not_authorized!("only trusted external applications can use this mutation"));
+        }
+
+        let series = Series::create(series, context).await?;
+
+        Ok(PreparedSeries { id: series.id() })
+    }
+
+    async fn add_series_mount_point(
+        series_oc_id: String,
+        target_path: String,
+        context: &Context,
+    ) -> ApiResult<Realm> {
+        if context.auth != AuthContext::TrustedExternal {
+            return Err(not_authorized!("only trusted external applications can use this mutation"));
+        }
+
+        let series = Series::load_by_opencast_id(series_oc_id, context)
+            .await?
+            .ok_or_else(|| invalid_input!("`seriesId` does not refer to a valid series"))?;
+
+        let target_realm = Realm::load_by_path(target_path, context)
+            .await?
+            .ok_or_else(|| invalid_input!("`targetRealmPath` does not refer to a valid realm"))?;
+
+        BlockValue::add_series(
+            Id::realm(target_realm.key),
+            0,
+            NewSeriesBlock {
+                series: series.id(),
+                show_title: false,
+                show_metadata: true,
+                order: VideoListOrder::NewToOld,
+                layout: VideoListLayout::Gallery,
+            },
+            context,
+        ).await?;
+
+        let block = &BlockValue::load_for_realm(target_realm.key, context).await?[0];
+
+        Realm::rename(
+            target_realm.id(),
+            UpdatedRealmName::from_block(block.id()),
+            context,
+        ).await
+    }
+
+    async fn remove_series_mount_point(
+        path: String,
+        context: &Context,
+    ) -> ApiResult<RemoveMountedSeriesOutcome> {
+        if context.auth != AuthContext::TrustedExternal {
+            return Err(not_authorized!("only trusted external applications can use this mutation"));
+        }
+
+        let old_realm = Realm::load_by_path(path, context)
+            .await?
+            .ok_or_else(|| invalid_input!("`currentRealmPath` does not refer to a valid realm"))?;
+
+        let blocks = BlockValue::load_for_realm(old_realm.key, context).await?;
+
+        if blocks.len() > 1 {
+            return Err(invalid_input!("series can only be moved if its current realm has no other blocks"));
+        }
+
+        let mut removed_realm = None;
+        let mut removed_block = None;
+
+        if old_realm.children(context).await?.len() == 0 {
+            // The realm has no children, so it can be removed.
+            removed_realm = Some(Realm::remove(old_realm.id(), context).await?);
+        } else {
+            // At this point we can be certain that there is only one block, which is the series block.
+            // Ideally we would restore the previous title, but that's not stored anywhere. So the realm
+            // gets the name of its path segment.
+            Realm::rename(
+                old_realm.id(),
+                UpdatedRealmName::plain(old_realm.path_segment),
+                context,
+            ).await?;
+            removed_block = Some(BlockValue::remove(blocks[0].id(), context).await?);
+        }
+
+        Ok(RemoveMountedSeriesOutcome { removed_realm, removed_block })
+    }
+
     /// Atomically mount a series into an (empty) realm.
     /// Creates all the necessary realms on the path to the target
     /// and adds a block with the given series at the leaf.
diff --git a/docs/package-lock.json b/docs/package-lock.json
index 21332f3ef..3e7d0f5b8 100644
--- a/docs/package-lock.json
+++ b/docs/package-lock.json
@@ -4762,9 +4762,9 @@
       }
     },
     "node_modules/body-parser": {
-      "version": "1.20.2",
-      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.2.tgz",
-      "integrity": "sha512-ml9pReCu3M61kGlqoTm2umSXTlRTuGTx0bfYj+uIUKKYycG5NtSbeetV3faSU6R7ajOPw0g/J1PvK4qNy7s5bA==",
+      "version": "1.20.3",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.3.tgz",
+      "integrity": "sha512-7rAxByjUMqQ3/bHJy7D6OGXvx/MMc4IqBn/X0fcM1QUcAItpZrBEYhWGem+tzXH90c+G01ypMcYJBO9Y30203g==",
       "dependencies": {
         "bytes": "3.1.2",
         "content-type": "~1.0.5",
@@ -4774,7 +4774,7 @@
         "http-errors": "2.0.0",
         "iconv-lite": "0.4.24",
         "on-finished": "2.4.1",
-        "qs": "6.11.0",
+        "qs": "6.13.0",
         "raw-body": "2.5.2",
         "type-is": "~1.6.18",
         "unpipe": "1.0.0"
@@ -6299,9 +6299,9 @@
       }
     },
     "node_modules/encodeurl": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
-      "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-2.0.0.tgz",
+      "integrity": "sha512-Q0n9HRi4m6JuGIV1eFlmvJB7ZEVxu93IrMyiMsGC0lrMJMWzRgx6WGquyfQgZVb31vhGgXnfmPNNXmxnOkRBrg==",
       "engines": {
         "node": ">= 0.8"
       }
@@ -6538,36 +6538,36 @@
       }
     },
     "node_modules/express": {
-      "version": "4.19.2",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.19.2.tgz",
-      "integrity": "sha512-5T6nhjsT+EOMzuck8JjBHARTHfMht0POzlA60WV2pMD3gyXw2LZnZ+ueGdNxG+0calOJcWKbpFcuzLZ91YWq9Q==",
+      "version": "4.21.0",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.21.0.tgz",
+      "integrity": "sha512-VqcNGcj/Id5ZT1LZ/cfihi3ttTn+NJmkli2eZADigjq29qTlWi/hAQ43t/VLPq8+UX06FCEx3ByOYet6ZFblng==",
       "dependencies": {
         "accepts": "~1.3.8",
         "array-flatten": "1.1.1",
-        "body-parser": "1.20.2",
+        "body-parser": "1.20.3",
         "content-disposition": "0.5.4",
         "content-type": "~1.0.4",
         "cookie": "0.6.0",
         "cookie-signature": "1.0.6",
         "debug": "2.6.9",
         "depd": "2.0.0",
-        "encodeurl": "~1.0.2",
+        "encodeurl": "~2.0.0",
         "escape-html": "~1.0.3",
         "etag": "~1.8.1",
-        "finalhandler": "1.2.0",
+        "finalhandler": "1.3.1",
         "fresh": "0.5.2",
         "http-errors": "2.0.0",
-        "merge-descriptors": "1.0.1",
+        "merge-descriptors": "1.0.3",
         "methods": "~1.1.2",
         "on-finished": "2.4.1",
         "parseurl": "~1.3.3",
-        "path-to-regexp": "0.1.7",
+        "path-to-regexp": "0.1.10",
         "proxy-addr": "~2.0.7",
-        "qs": "6.11.0",
+        "qs": "6.13.0",
         "range-parser": "~1.2.1",
         "safe-buffer": "5.2.1",
-        "send": "0.18.0",
-        "serve-static": "1.15.0",
+        "send": "0.19.0",
+        "serve-static": "1.16.2",
         "setprototypeof": "1.2.0",
         "statuses": "2.0.1",
         "type-is": "~1.6.18",
@@ -6608,9 +6608,9 @@
       "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
     },
     "node_modules/express/node_modules/path-to-regexp": {
-      "version": "0.1.7",
-      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
-      "integrity": "sha512-5DFkuoqlv1uYQKxy8omFBeJPQcdoE07Kv2sferDCrAq1ohOU+MSDswDIbnx3YAM60qIOnYa53wBhXW0EbMonrQ=="
+      "version": "0.1.10",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.10.tgz",
+      "integrity": "sha512-7lf7qcQidTku0Gu3YDPc8DJ1q7OOucfa/BSsIwjuh56VU7katFvuM8hULfkwB3Fns/rsVF7PwPKVw1sl5KQS9w=="
     },
     "node_modules/express/node_modules/range-parser": {
       "version": "1.2.1",
@@ -6782,12 +6782,12 @@
       }
     },
     "node_modules/finalhandler": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.2.0.tgz",
-      "integrity": "sha512-5uXcUVftlQMFnWC9qu/svkWv3GTd2PfUhK/3PLkYNAe7FbqJMt3515HaxE6eRL74GdsriiwujiawdaB1BpEISg==",
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.3.1.tgz",
+      "integrity": "sha512-6BN9trH7bp3qvnrRyzsBz+g3lZxTNZTbVO2EV1CS0WIcDbawYVdYvGflME/9QP0h0pYlCDBCTjYa9nZzMDpyxQ==",
       "dependencies": {
         "debug": "2.6.9",
-        "encodeurl": "~1.0.2",
+        "encodeurl": "~2.0.0",
         "escape-html": "~1.0.3",
         "on-finished": "2.4.1",
         "parseurl": "~1.3.3",
@@ -8598,9 +8598,12 @@
       }
     },
     "node_modules/merge-descriptors": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
-      "integrity": "sha512-cCi6g3/Zr1iqQi6ySbseM1Xvooa98N0w31jzUYrXPX2xqObmFGHJ0tQ5u74H3mVh7wLouTseZyYIq39g8cNp1w=="
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.3.tgz",
+      "integrity": "sha512-gaNvAS7TZ897/rVaZ0nMtAyxNyi/pdbjbAwUpFQpN70GqnVfOiXpeUUMKRBmzXaSQ8DdTX4/0ms62r2K+hE6mQ==",
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
     },
     "node_modules/merge-stream": {
       "version": "2.0.0",
@@ -8939,9 +8942,12 @@
       }
     },
     "node_modules/object-inspect": {
-      "version": "1.13.1",
-      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.1.tgz",
-      "integrity": "sha512-5qoj1RUiKOMsCCNLV1CBiPYE10sziTsnmNxkAI/rZhiD63CF7IqdFGC/XzjWjpSgLf0LxXX3bDFIh0E18f6UhQ==",
+      "version": "1.13.2",
+      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.2.tgz",
+      "integrity": "sha512-IRZSRuzJiynemAXPYtPe5BoI/RESNYR7TYm50MC5Mqbd3Jmw5y790sErYw3V6SryFJD64b74qQQs9wn5Bg/k3g==",
+      "engines": {
+        "node": ">= 0.4"
+      },
       "funding": {
         "url": "https://github.com/sponsors/ljharb"
       }
@@ -10064,11 +10070,11 @@
       "integrity": "sha512-QFADYnsVoBMw1srW7OVKEYjG+MbIa49s54w1MA1EDY6r2r/sTcKKYqRX1f4GYvnXP7eN/Pe9HFcX+hwzmrXRHA=="
     },
     "node_modules/qs": {
-      "version": "6.11.0",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
-      "integrity": "sha512-MvjoMCJwEarSbUYk5O+nmoSzSutSsTwF85zcHPQ9OrlFoZOYIjaqBAJIqIXjptyD5vThxGq52Xu/MaJzRkIk4Q==",
+      "version": "6.13.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.13.0.tgz",
+      "integrity": "sha512-+38qI9SOr8tfZ4QmJNplMUxqjbe7LKvvZgWdExBOmd+egZTtjLB67Gu0HRX3u/XOq7UU2Nx6nsjvS16Z9uwfpg==",
       "dependencies": {
-        "side-channel": "^1.0.4"
+        "side-channel": "^1.0.6"
       },
       "engines": {
         "node": ">=0.6"
@@ -11229,9 +11235,9 @@
       "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
     },
     "node_modules/send": {
-      "version": "0.18.0",
-      "resolved": "https://registry.npmjs.org/send/-/send-0.18.0.tgz",
-      "integrity": "sha512-qqWzuOjSFOuqPjFe4NOsMLafToQQwBSOEpS+FwEt3A2V3vKubTquT3vmLTQpFgMXp8AlFWFuP1qKaJZOtPpVXg==",
+      "version": "0.19.0",
+      "resolved": "https://registry.npmjs.org/send/-/send-0.19.0.tgz",
+      "integrity": "sha512-dW41u5VfLXu8SJh5bwRmyYUbAoSB3c9uQh6L8h/KtsFREPWpbX1lrljJo186Jc4nmci/sGUZ9a0a0J2zgfq2hw==",
       "dependencies": {
         "debug": "2.6.9",
         "depd": "2.0.0",
@@ -11264,6 +11270,14 @@
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
       "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
     },
+    "node_modules/send/node_modules/encodeurl": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
+      "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w==",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/send/node_modules/ms": {
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
@@ -11376,14 +11390,14 @@
       }
     },
     "node_modules/serve-static": {
-      "version": "1.15.0",
-      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.15.0.tgz",
-      "integrity": "sha512-XGuRDNjXUijsUL0vl6nSD7cwURuzEgglbOaFuZM9g3kwDXOWVTck0jLzjPzGD+TazWbboZYu52/9/XPdUgne9g==",
+      "version": "1.16.2",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.16.2.tgz",
+      "integrity": "sha512-VqpjJZKadQB/PEbEwvFdO43Ax5dFBZ2UECszz8bQ7pi7wt//PWe1P6MN7eCnjsatYtBT6EuiClbjSWP2WrIoTw==",
       "dependencies": {
-        "encodeurl": "~1.0.2",
+        "encodeurl": "~2.0.0",
         "escape-html": "~1.0.3",
         "parseurl": "~1.3.3",
-        "send": "0.18.0"
+        "send": "0.19.0"
       },
       "engines": {
         "node": ">= 0.8.0"
@@ -16827,9 +16841,9 @@
       "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA=="
     },
     "body-parser": {
-      "version": "1.20.2",
-      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.2.tgz",
-      "integrity": "sha512-ml9pReCu3M61kGlqoTm2umSXTlRTuGTx0bfYj+uIUKKYycG5NtSbeetV3faSU6R7ajOPw0g/J1PvK4qNy7s5bA==",
+      "version": "1.20.3",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.3.tgz",
+      "integrity": "sha512-7rAxByjUMqQ3/bHJy7D6OGXvx/MMc4IqBn/X0fcM1QUcAItpZrBEYhWGem+tzXH90c+G01ypMcYJBO9Y30203g==",
       "requires": {
         "bytes": "3.1.2",
         "content-type": "~1.0.5",
@@ -16839,7 +16853,7 @@
         "http-errors": "2.0.0",
         "iconv-lite": "0.4.24",
         "on-finished": "2.4.1",
-        "qs": "6.11.0",
+        "qs": "6.13.0",
         "raw-body": "2.5.2",
         "type-is": "~1.6.18",
         "unpipe": "1.0.0"
@@ -17897,9 +17911,9 @@
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     },
     "encodeurl": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
-      "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w=="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-2.0.0.tgz",
+      "integrity": "sha512-Q0n9HRi4m6JuGIV1eFlmvJB7ZEVxu93IrMyiMsGC0lrMJMWzRgx6WGquyfQgZVb31vhGgXnfmPNNXmxnOkRBrg=="
     },
     "end-of-stream": {
       "version": "1.4.4",
@@ -18061,36 +18075,36 @@
       }
     },
     "express": {
-      "version": "4.19.2",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.19.2.tgz",
-      "integrity": "sha512-5T6nhjsT+EOMzuck8JjBHARTHfMht0POzlA60WV2pMD3gyXw2LZnZ+ueGdNxG+0calOJcWKbpFcuzLZ91YWq9Q==",
+      "version": "4.21.0",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.21.0.tgz",
+      "integrity": "sha512-VqcNGcj/Id5ZT1LZ/cfihi3ttTn+NJmkli2eZADigjq29qTlWi/hAQ43t/VLPq8+UX06FCEx3ByOYet6ZFblng==",
       "requires": {
         "accepts": "~1.3.8",
         "array-flatten": "1.1.1",
-        "body-parser": "1.20.2",
+        "body-parser": "1.20.3",
         "content-disposition": "0.5.4",
         "content-type": "~1.0.4",
         "cookie": "0.6.0",
         "cookie-signature": "1.0.6",
         "debug": "2.6.9",
         "depd": "2.0.0",
-        "encodeurl": "~1.0.2",
+        "encodeurl": "~2.0.0",
         "escape-html": "~1.0.3",
         "etag": "~1.8.1",
-        "finalhandler": "1.2.0",
+        "finalhandler": "1.3.1",
         "fresh": "0.5.2",
         "http-errors": "2.0.0",
-        "merge-descriptors": "1.0.1",
+        "merge-descriptors": "1.0.3",
         "methods": "~1.1.2",
         "on-finished": "2.4.1",
         "parseurl": "~1.3.3",
-        "path-to-regexp": "0.1.7",
+        "path-to-regexp": "0.1.10",
         "proxy-addr": "~2.0.7",
-        "qs": "6.11.0",
+        "qs": "6.13.0",
         "range-parser": "~1.2.1",
         "safe-buffer": "5.2.1",
-        "send": "0.18.0",
-        "serve-static": "1.15.0",
+        "send": "0.19.0",
+        "serve-static": "1.16.2",
         "setprototypeof": "1.2.0",
         "statuses": "2.0.1",
         "type-is": "~1.6.18",
@@ -18125,9 +18139,9 @@
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         },
         "path-to-regexp": {
-          "version": "0.1.7",
-          "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
-          "integrity": "sha512-5DFkuoqlv1uYQKxy8omFBeJPQcdoE07Kv2sferDCrAq1ohOU+MSDswDIbnx3YAM60qIOnYa53wBhXW0EbMonrQ=="
+          "version": "0.1.10",
+          "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.10.tgz",
+          "integrity": "sha512-7lf7qcQidTku0Gu3YDPc8DJ1q7OOucfa/BSsIwjuh56VU7katFvuM8hULfkwB3Fns/rsVF7PwPKVw1sl5KQS9w=="
         },
         "range-parser": {
           "version": "1.2.1",
@@ -18265,12 +18279,12 @@
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     "finalhandler": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.2.0.tgz",
-      "integrity": "sha512-5uXcUVftlQMFnWC9qu/svkWv3GTd2PfUhK/3PLkYNAe7FbqJMt3515HaxE6eRL74GdsriiwujiawdaB1BpEISg==",
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.3.1.tgz",
+      "integrity": "sha512-6BN9trH7bp3qvnrRyzsBz+g3lZxTNZTbVO2EV1CS0WIcDbawYVdYvGflME/9QP0h0pYlCDBCTjYa9nZzMDpyxQ==",
       "requires": {
         "debug": "2.6.9",
-        "encodeurl": "~1.0.2",
+        "encodeurl": "~2.0.0",
         "escape-html": "~1.0.3",
         "on-finished": "2.4.1",
         "parseurl": "~1.3.3",
@@ -19573,9 +19587,9 @@
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     },
     "merge-descriptors": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
-      "integrity": "sha512-cCi6g3/Zr1iqQi6ySbseM1Xvooa98N0w31jzUYrXPX2xqObmFGHJ0tQ5u74H3mVh7wLouTseZyYIq39g8cNp1w=="
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.3.tgz",
+      "integrity": "sha512-gaNvAS7TZ897/rVaZ0nMtAyxNyi/pdbjbAwUpFQpN70GqnVfOiXpeUUMKRBmzXaSQ8DdTX4/0ms62r2K+hE6mQ=="
     },
     "merge-stream": {
       "version": "2.0.0",
@@ -19803,9 +19817,9 @@
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     },
     "object-inspect": {
-      "version": "1.13.1",
-      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.1.tgz",
-      "integrity": "sha512-5qoj1RUiKOMsCCNLV1CBiPYE10sziTsnmNxkAI/rZhiD63CF7IqdFGC/XzjWjpSgLf0LxXX3bDFIh0E18f6UhQ=="
+      "version": "1.13.2",
+      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.2.tgz",
+      "integrity": "sha512-IRZSRuzJiynemAXPYtPe5BoI/RESNYR7TYm50MC5Mqbd3Jmw5y790sErYw3V6SryFJD64b74qQQs9wn5Bg/k3g=="
     },
     "object-keys": {
       "version": "1.1.1",
@@ -20549,11 +20563,11 @@
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     },
     "qs": {
-      "version": "6.11.0",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
-      "integrity": "sha512-MvjoMCJwEarSbUYk5O+nmoSzSutSsTwF85zcHPQ9OrlFoZOYIjaqBAJIqIXjptyD5vThxGq52Xu/MaJzRkIk4Q==",
+      "version": "6.13.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.13.0.tgz",
+      "integrity": "sha512-+38qI9SOr8tfZ4QmJNplMUxqjbe7LKvvZgWdExBOmd+egZTtjLB67Gu0HRX3u/XOq7UU2Nx6nsjvS16Z9uwfpg==",
       "requires": {
-        "side-channel": "^1.0.4"
+        "side-channel": "^1.0.6"
       }
     },
     "queue": {
@@ -21400,9 +21414,9 @@
       }
     },
     "send": {
-      "version": "0.18.0",
-      "resolved": "https://registry.npmjs.org/send/-/send-0.18.0.tgz",
-      "integrity": "sha512-qqWzuOjSFOuqPjFe4NOsMLafToQQwBSOEpS+FwEt3A2V3vKubTquT3vmLTQpFgMXp8AlFWFuP1qKaJZOtPpVXg==",
+      "version": "0.19.0",
+      "resolved": "https://registry.npmjs.org/send/-/send-0.19.0.tgz",
+      "integrity": "sha512-dW41u5VfLXu8SJh5bwRmyYUbAoSB3c9uQh6L8h/KtsFREPWpbX1lrljJo186Jc4nmci/sGUZ9a0a0J2zgfq2hw==",
       "requires": {
         "debug": "2.6.9",
         "depd": "2.0.0",
@@ -21434,6 +21448,11 @@
             }
           }
         },
+        "encodeurl": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
+          "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w=="
+        },
         "ms": {
           "version": "2.1.3",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
@@ -21537,14 +21556,14 @@
       }
     },
     "serve-static": {
-      "version": "1.15.0",
-      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.15.0.tgz",
-      "integrity": "sha512-XGuRDNjXUijsUL0vl6nSD7cwURuzEgglbOaFuZM9g3kwDXOWVTck0jLzjPzGD+TazWbboZYu52/9/XPdUgne9g==",
+      "version": "1.16.2",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.16.2.tgz",
+      "integrity": "sha512-VqpjJZKadQB/PEbEwvFdO43Ax5dFBZ2UECszz8bQ7pi7wt//PWe1P6MN7eCnjsatYtBT6EuiClbjSWP2WrIoTw==",
       "requires": {
-        "encodeurl": "~1.0.2",
+        "encodeurl": "~2.0.0",
         "escape-html": "~1.0.3",
         "parseurl": "~1.3.3",
-        "send": "0.18.0"
+        "send": "0.19.0"
       }
     },
     "set-function-length": {
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 99fa76534..ee33ba37a 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -26,7 +26,7 @@
         "i18next-browser-languagedetector": "^7.2.0",
         "lucide-react": "^0.439.0",
         "paella-basic-plugins": "1.44.10",
-        "paella-core": "1.49.3",
+        "paella-core": "1.49.6",
         "paella-mp4multiquality-plugin": "1.47.1",
         "paella-skins": "1.48.0",
         "paella-slide-plugins": "1.48.1",
@@ -7690,9 +7690,10 @@
       }
     },
     "node_modules/paella-core": {
-      "version": "1.49.3",
-      "resolved": "https://registry.npmjs.org/paella-core/-/paella-core-1.49.3.tgz",
-      "integrity": "sha512-h558NyjOM7WcdxCZQUxUw12GjDJr4wADKGDMQK7dJ0w2QENxdFvaNaeUmopzzUDOBwWSYrZ2QKy+4zcfonk81A==",
+      "version": "1.49.6",
+      "resolved": "https://registry.npmjs.org/paella-core/-/paella-core-1.49.6.tgz",
+      "integrity": "sha512-90tZ+0AuAukCrTMykvCx4FbVhzSsS96nEgGvGr6DHp/hf7fW87ncye0GzntaAaB+ndmAs+FQl8oHRiZtUuYgbw==",
+      "license": "ECL-2.0",
       "dependencies": {
         "core-js": "^3.8.2",
         "hls.js": "^1.0.4"
diff --git a/frontend/package.json b/frontend/package.json
index cb2c82c63..172fa468a 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -42,7 +42,7 @@
     "i18next-browser-languagedetector": "^7.2.0",
     "lucide-react": "^0.439.0",
     "paella-basic-plugins": "1.44.10",
-    "paella-core": "1.49.3",
+    "paella-core": "1.49.6",
     "paella-mp4multiquality-plugin": "1.47.1",
     "paella-skins": "1.48.0",
     "paella-slide-plugins": "1.48.1",
diff --git a/frontend/src/schema.graphql b/frontend/src/schema.graphql
index 422a33395..9bb7eada4 100644
--- a/frontend/src/schema.graphql
+++ b/frontend/src/schema.graphql
@@ -478,6 +478,10 @@ type Realm implements Node {
   canCurrentUserModerate: Boolean!
 }
 
+type PreparedSeries {
+  id: ID!
+}
+
 "A block just showing the list of videos in an Opencast playlist"
 type PlaylistBlock implements Block & RealmNameSourceBlock {
   playlist: Playlist
@@ -597,6 +601,9 @@ type Mutation {
     the list. The first item is sub-realm of the root realm.
   """
   createRealmLineage(realms: [RealmLineageComponent!]!): CreateRealmLineageOutcome!
+  prepareSeries(series: NewSeries!): PreparedSeries!
+  addSeriesMountPoint(seriesOcId: String!, targetPath: String!): Realm!
+  removeSeriesMountPoint(path: String!): RemoveMountedSeriesOutcome!
   """
     Atomically mount a series into an (empty) realm.
     Creates all the necessary realms on the path to the target
@@ -727,6 +734,11 @@ type EmptyQuery {
   dummy: Boolean
 }
 
+type RemoveMountedSeriesOutcome {
+  removedRealm: RemovedRealm
+  removedBlock: RemovedBlock
+}
+
 union PlaylistSearchOutcome = SearchUnavailable | PlaylistSearchResults
 
 "A string in different languages"