diff --git a/api/src/controllers/videos.ts b/api/src/controllers/videos.ts
index c151cec9..49a1d6a5 100644
--- a/api/src/controllers/videos.ts
+++ b/api/src/controllers/videos.ts
@@ -7,6 +7,7 @@ import {
 	lt,
 	max,
 	min,
+	ne,
 	notExists,
 	or,
 	sql,
@@ -100,10 +101,23 @@ async function linkVideos(
 		.innerJoin(shows, eq(entries.showPk, shows.pk))
 		.as("entriesQ");
 
-	const hasRenderingQ = tx
-		.select()
-		.from(entryVideoJoin)
-		.where(eq(entryVideoJoin.entryPk, entriesQ.pk));
+	const renderVid = alias(videos, "renderVid");
+	const hasRenderingQ = or(
+		gt(
+			sql`dense_rank() over (partition by ${entriesQ.pk} order by ${videos.rendering})`,
+			1,
+		),
+		sql`exists(${tx
+			.select()
+			.from(entryVideoJoin)
+			.innerJoin(renderVid, eq(renderVid.pk, entryVideoJoin.videoPk))
+			.where(
+				and(
+					eq(entryVideoJoin.entryPk, entriesQ.pk),
+					ne(renderVid.rendering, videos.rendering),
+				),
+			)})`,
+	)!;
 
 	const ret = await tx
 		.insert(entryVideoJoin)
@@ -112,7 +126,7 @@ async function linkVideos(
 				.selectDistinctOn([entriesQ.pk, videos.pk], {
 					entryPk: entriesQ.pk,
 					videoPk: videos.pk,
-					slug: computeVideoSlug(entriesQ.slug, sql`exists(${hasRenderingQ})`),
+					slug: computeVideoSlug(entriesQ.slug, hasRenderingQ),
 				})
 				.from(
 					values(links, {
diff --git a/api/tests/videos/scanner.test.ts b/api/tests/videos/scanner.test.ts
index 9e0760eb..3867ae44 100644
--- a/api/tests/videos/scanner.test.ts
+++ b/api/tests/videos/scanner.test.ts
@@ -591,4 +591,127 @@ describe("Video seeding", () => {
 		expect(vid!.evj[1].slug).toBe("made-in-abyss-s2e1");
 		expect(vid!.evj[1].entry.slug).toBe("made-in-abyss-s2e1");
 	});
+
+	it("work with duplicated episodes", async () => {
+		await db.delete(videos);
+		const [resp, body] = await createVideo({
+			guess: {
+				title: "mia",
+				episodes: [
+					{ season: 1, episode: 13 },
+					{ season: 1, episode: 13 },
+				],
+				from: "test",
+				history: [],
+			},
+			part: null,
+			path: "/video/mia s1e13.mkv",
+			rendering: "duptest",
+			version: 1,
+			for: [
+				{ serie: madeInAbyss.slug, season: 1, episode: 13 },
+				{ serie: madeInAbyss.slug, season: 1, episode: 13 },
+			],
+		});
+
+		expectStatus(resp, body).toBe(201);
+		expect(body).toBeArrayOfSize(1);
+		expect(body[0].id).toBeString();
+
+		const vid = await db.query.videos.findFirst({
+			where: eq(videos.id, body[0].id),
+			with: {
+				evj: { with: { entry: true } },
+			},
+		});
+
+		expect(vid).not.toBeNil();
+		expect(vid!.path).toBe("/video/mia s1e13.mkv");
+		expect(vid!.guess).toMatchObject({ title: "mia", from: "test" });
+
+		expect(body[0].entries).toBeArrayOfSize(1);
+		expect(vid!.evj).toBeArrayOfSize(1);
+
+		expect(vid!.evj[0].slug).toBe("made-in-abyss-s1e13");
+		expect(vid!.evj[0].entry.slug).toBe("made-in-abyss-s1e13");
+	});
+
+	it("work with duplicated two episodes", async () => {
+		await db.delete(videos);
+		const [resp, body] = await createVideo([
+			{
+				guess: {
+					title: "mia",
+					episodes: [
+						{ season: 1, episode: 13 },
+						{ season: 1, episode: 13 },
+					],
+					from: "test",
+					history: [],
+				},
+				part: null,
+				path: "/video/mia s1e13.mkv",
+				rendering: "duptest-two",
+				version: 1,
+				for: [
+					{ serie: madeInAbyss.slug, season: 1, episode: 13 },
+					{ serie: madeInAbyss.slug, season: 1, episode: 13 },
+				],
+			},
+			{
+				guess: {
+					title: "mia",
+					episodes: [
+						{ season: 1, episode: 13 },
+						{ season: 1, episode: 13 },
+					],
+					from: "test",
+					history: [],
+				},
+				part: null,
+				path: "/video/mia s1e13 bis.mkv",
+				rendering: "duptest-two-bis",
+				version: 1,
+				for: [
+					{ serie: madeInAbyss.slug, season: 1, episode: 13 },
+					{ serie: madeInAbyss.slug, season: 1, episode: 13 },
+				],
+			},
+		]);
+
+		expectStatus(resp, body).toBe(201);
+		expect(body).toBeArrayOfSize(2);
+		expect(body[0].id).toBeString();
+		expect(body[1].id).toBeString();
+		expect(body[0].entries).toBeArrayOfSize(1);
+		expect(body[0].entries[0].slug).toBe("made-in-abyss-s1e13");
+		expect(body[1].entries).toBeArrayOfSize(1);
+		expect(body[1].entries[0].slug).toBe("made-in-abyss-s1e13-duptest-two-bis");
+
+		let vid = await db.query.videos.findFirst({
+			where: eq(videos.id, body[0].id),
+			with: {
+				evj: { with: { entry: true } },
+			},
+		});
+
+		expect(vid).not.toBeNil();
+		expect(vid!.path).toBe("/video/mia s1e13.mkv");
+		expect(vid!.guess).toMatchObject({ title: "mia", from: "test" });
+		expect(vid!.evj).toBeArrayOfSize(1);
+		expect(vid!.evj[0].slug).toBe("made-in-abyss-s1e13");
+
+		vid = await db.query.videos.findFirst({
+			where: eq(videos.id, body[1].id),
+			with: {
+				evj: { with: { entry: true } },
+			},
+		});
+
+		expect(vid).not.toBeNil();
+		expect(vid!.path).toBe("/video/mia s1e13 bis.mkv");
+		expect(vid!.guess).toMatchObject({ title: "mia", from: "test" });
+		expect(vid!.evj).toBeArrayOfSize(1);
+		expect(vid!.evj[0].slug).toBe("made-in-abyss-s1e13-duptest-two-bis");
+	});
 });
diff --git a/scanner/scanner/identifiers/identify.py b/scanner/scanner/identifiers/identify.py
index 393efcc7..90e61f1a 100644
--- a/scanner/scanner/identifiers/identify.py
+++ b/scanner/scanner/identifiers/identify.py
@@ -86,3 +86,4 @@ if __name__ == "__main__":
 		print(ret.model_dump_json(indent=4, by_alias=True))
 
 	asyncio.run(main())
+	# use this with `uv run python3 -m scanner.identifiers.identify "path"`