diff --git a/app/routers/discover.py b/app/routers/discover.py
index 2cb73cc..9820dbb 100644
--- a/app/routers/discover.py
+++ b/app/routers/discover.py
@@ -22,8 +22,14 @@ async def get_discover(
     for_you_limit: Annotated[int, Query(ge=1, le=20)] = 20,
 ) -> dict:
     """Les trois sections de découverte en une requête (sections vides si source KO)."""
-    must_watch = await discover.must_watch(must_watch_limit)
-    for_you = await discover.for_you(user.id, for_you_limit)
     allowed = _allowed_media_types(user.content_preference)
     latest = [i for i in await discover.latest(latest_limit) if i.get("media_type", "anime") in allowed]
+    # Incontournables et Pour toi sont issus de Kitsu (catalogue animés) :
+    # en mode séries, elles n'ont pas de sens — on ne les calcule même pas.
+    if "anime" in allowed:
+        must_watch = await discover.must_watch(must_watch_limit)
+        for_you = await discover.for_you(user.id, for_you_limit)
+    else:
+        must_watch = []
+        for_you = {"based_on": [], "items": []}
     return {"latest": latest, "must_watch": must_watch, "for_you": for_you}
diff --git a/tests/test_preferences.py b/tests/test_preferences.py
index 3eefd63..b233db1 100644
--- a/tests/test_preferences.py
+++ b/tests/test_preferences.py
@@ -127,3 +127,28 @@ async def test_discover_latest_filtered_by_preference(client, admin_cookies, mon
     await client.put("/auth/preferences", json={"content_preference": "serie"}, cookies=admin_cookies)
     r = await client.get("/api/discover", cookies=admin_cookies)
     assert {i["media_type"] for i in r.json()["latest"]} == {"serie"}
+
+async def test_discover_hides_kitsu_sections_in_serie_mode(client, admin_cookies, monkeypatch):
+    """Incontournables et Pour toi (Kitsu = animés) disparaissent en mode séries."""
+    import app.services.discover as discover_module
+
+    await _patch_sources(monkeypatch, MixedSource())
+
+    async def fake_must_watch(limit=20):
+        return [{"kitsu_id": 1, "title": "Animé top"}]
+
+    async def fake_for_you(user_id=0, limit=20):
+        return {"based_on": ["Action"], "items": [{"kitsu_id": 2}]}
+
+    monkeypatch.setattr(discover_module.discover, "must_watch", fake_must_watch)
+    monkeypatch.setattr(discover_module.discover, "for_you", fake_for_you)
+
+    r = await client.get("/api/discover", cookies=admin_cookies)
+    assert len(r.json()["must_watch"]) == 1
+    assert len(r.json()["for_you"]["items"]) == 1
+
+    await client.put("/auth/preferences", json={"content_preference": "serie"}, cookies=admin_cookies)
+    data = (await client.get("/api/discover", cookies=admin_cookies)).json()
+    assert data["must_watch"] == []
+    assert data["for_you"] == {"based_on": [], "items": []}
+