diff --git a/lib/radiator/outline/node.ex b/lib/radiator/outline/node.ex
index 5f716919..a078b009 100644
--- a/lib/radiator/outline/node.ex
+++ b/lib/radiator/outline/node.ex
@@ -5,6 +5,7 @@ defmodule Radiator.Outline.Node do
   """
   use Ecto.Schema
   import Ecto.Changeset
+  alias Radiator.Podcast.Episode
 
   @derive {Jason.Encoder, only: [:uuid, :content, :creator_id, :parent_id, :prev_id]}
 
@@ -15,11 +16,14 @@ defmodule Radiator.Outline.Node do
     field :parent_id, Ecto.UUID
     field :prev_id, Ecto.UUID
 
+    belongs_to :episode, Episode
+
     timestamps(type: :utc_datetime)
   end
 
   @required_fields [
-    :content
+    :content,
+    :episode_id
   ]
 
   @optional_fields [
diff --git a/priv/repo/migrations/20231216182723_add_outline_reference_to_episode.exs b/priv/repo/migrations/20231216182723_add_outline_reference_to_episode.exs
new file mode 100644
index 00000000..590b27e8
--- /dev/null
+++ b/priv/repo/migrations/20231216182723_add_outline_reference_to_episode.exs
@@ -0,0 +1,9 @@
+defmodule Radiator.Repo.Migrations.AddOutlineReferenceToEpisode do
+  use Ecto.Migration
+
+  def change do
+    alter table(:outline_nodes) do
+      add :episode_id, references(:episodes, on_delete: :nothing)
+    end
+  end
+end