diff --git a/server/api/__tests__/review-groups.test.ts b/server/api/__tests__/review-groups.test.ts
new file mode 100644
index 0000000..60d6f0d
--- /dev/null
+++ b/server/api/__tests__/review-groups.test.ts
@@ -0,0 +1,161 @@
+import { Database } from "bun:sqlite";
+import { describe, expect, test } from "bun:test";
+import { SCHEMA } from "../../db/schema";
+import { buildReviewGroups } from "../review";
+
+function makeDb(): Database {
+	const db = new Database(":memory:");
+	for (const stmt of SCHEMA.split(";")) {
+		const trimmed = stmt.trim();
+		if (trimmed) db.run(trimmed);
+	}
+	return db;
+}
+
+interface SeedOpts {
+	id: number;
+	type: "Movie" | "Episode";
+	name?: string;
+	seriesName?: string | null;
+	seriesJellyfinId?: string | null;
+	seasonNumber?: number | null;
+	episodeNumber?: number | null;
+	confidence?: "high" | "low";
+}
+
+function seed(db: Database, opts: SeedOpts) {
+	const {
+		id,
+		type,
+		name = `Item ${id}`,
+		seriesName = null,
+		seriesJellyfinId = null,
+		seasonNumber = null,
+		episodeNumber = null,
+		confidence = "high",
+	} = opts;
+	db
+		.prepare(
+			"INSERT INTO media_items (id, jellyfin_id, type, name, series_name, series_jellyfin_id, season_number, episode_number, file_path) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)",
+		)
+		.run(id, `jf-${id}`, type, name, seriesName, seriesJellyfinId, seasonNumber, episodeNumber, `/x/${id}.mkv`);
+	db
+		.prepare(
+			"INSERT INTO review_plans (item_id, status, is_noop, confidence, apple_compat, job_type, notes) VALUES (?, 'pending', 0, ?, 'direct_play', 'copy', NULL)",
+		)
+		.run(id, confidence);
+}
+
+describe("buildReviewGroups", () => {
+	test("returns a complete series with every pending episode", () => {
+		const db = makeDb();
+		for (let i = 1; i <= 30; i++) {
+			seed(db, {
+				id: i,
+				type: "Episode",
+				seriesName: "Breaking Bad",
+				seriesJellyfinId: "bb",
+				seasonNumber: 1,
+				episodeNumber: i,
+			});
+		}
+
+		const { groups, totalItems } = buildReviewGroups(db);
+
+		expect(groups).toHaveLength(1);
+		const series = groups[0];
+		expect(series.kind).toBe("series");
+		if (series.kind !== "series") throw new Error("expected series");
+		expect(series.episodeCount).toBe(30);
+		expect(series.seasons).toHaveLength(1);
+		expect(series.seasons[0].episodes).toHaveLength(30);
+		expect(totalItems).toBe(30);
+	});
+
+	test("buckets episodes by season with null ordered last", () => {
+		const db = makeDb();
+		for (let ep = 1; ep <= 3; ep++) {
+			seed(db, {
+				id: ep,
+				type: "Episode",
+				seriesName: "Lost",
+				seriesJellyfinId: "lost",
+				seasonNumber: 1,
+				episodeNumber: ep,
+			});
+		}
+		for (let ep = 1; ep <= 2; ep++) {
+			seed(db, {
+				id: 10 + ep,
+				type: "Episode",
+				seriesName: "Lost",
+				seriesJellyfinId: "lost",
+				seasonNumber: 2,
+				episodeNumber: ep,
+			});
+		}
+		seed(db, { id: 99, type: "Episode", seriesName: "Lost", seriesJellyfinId: "lost", seasonNumber: null });
+
+		const { groups } = buildReviewGroups(db);
+		expect(groups).toHaveLength(1);
+		const lost = groups[0];
+		if (lost.kind !== "series") throw new Error("expected series");
+		expect(lost.seasons.map((s) => s.season)).toEqual([1, 2, null]);
+		expect(lost.seasons[0].episodes).toHaveLength(3);
+		expect(lost.seasons[1].episodes).toHaveLength(2);
+		expect(lost.seasons[2].episodes).toHaveLength(1);
+	});
+
+	test("sorts groups: high-confidence first, then by name", () => {
+		const db = makeDb();
+		seed(db, { id: 1, type: "Movie", name: "Zodiac", confidence: "high" });
+		seed(db, { id: 2, type: "Movie", name: "Arrival", confidence: "low" });
+		seed(db, { id: 3, type: "Movie", name: "Blade Runner", confidence: "high" });
+
+		const { groups } = buildReviewGroups(db);
+		const names = groups.map((g) => (g.kind === "movie" ? g.item.name : g.seriesName));
+		expect(names).toEqual(["Blade Runner", "Zodiac", "Arrival"]);
+	});
+
+	test("minConfidence is low when any episode in the series is low", () => {
+		const db = makeDb();
+		seed(db, {
+			id: 1,
+			type: "Episode",
+			seriesName: "Show",
+			seriesJellyfinId: "s",
+			seasonNumber: 1,
+			episodeNumber: 1,
+			confidence: "high",
+		});
+		seed(db, {
+			id: 2,
+			type: "Episode",
+			seriesName: "Show",
+			seriesJellyfinId: "s",
+			seasonNumber: 1,
+			episodeNumber: 2,
+			confidence: "low",
+		});
+
+		const { groups } = buildReviewGroups(db);
+		expect(groups).toHaveLength(1);
+		if (groups[0].kind !== "series") throw new Error("expected series");
+		expect(groups[0].minConfidence).toBe("low");
+	});
+
+	test("excludes plans that are not pending or are is_noop=1", () => {
+		const db = makeDb();
+		seed(db, { id: 1, type: "Movie", name: "Pending" });
+		seed(db, { id: 2, type: "Movie", name: "Approved" });
+		db.prepare("UPDATE review_plans SET status = 'approved' WHERE item_id = ?").run(2);
+		seed(db, { id: 3, type: "Movie", name: "Noop" });
+		db.prepare("UPDATE review_plans SET is_noop = 1 WHERE item_id = ?").run(3);
+
+		const { groups, totalItems } = buildReviewGroups(db);
+		expect(groups).toHaveLength(1);
+		expect(totalItems).toBe(1);
+		if (groups[0].kind !== "movie") throw new Error("expected movie");
+		expect(groups[0].item.name).toBe("Pending");
+	});
+});
diff --git a/server/api/review.ts b/server/api/review.ts
index b36cac4..71ca7ba 100644
--- a/server/api/review.ts
+++ b/server/api/review.ts
@@ -385,7 +385,7 @@ type ReviewGroup =
 			seasons: Array<{ season: number | null; episodes: ReviewItemRow[] }>;
 	  };
 
-function buildReviewGroups(db: ReturnType<typeof getDb>): { groups: ReviewGroup[]; totalItems: number } {
+export function buildReviewGroups(db: ReturnType<typeof getDb>): { groups: ReviewGroup[]; totalItems: number } {
 	const rows = db
 		.prepare(`
 			SELECT rp.*, mi.name, mi.series_name, mi.series_jellyfin_id,