Series synopsis
Duolingo: The Final Test is an American animation comedy television series that premiered on YouTube on October 13, 2025. It was created by Luis von Ahn, Severin Hacker. It stars Aino Shimada, Ryoko Shiraishi, Takayuki Nakatsukasa and Tsuguo Mogami.
The Final Test reveals the hidden origin of Duo the Owl and his friends, ordinary people until they were called upon to become the “Streak Guardians.” Tasked by Duo to uphold the streaks — the daily language-learning commitment of users around the world — this team must confront a mysterious “ultimate test” to protect their world and stay united. As they face various trials, they must keep their streaks alive and each other motivated, navigating challenges that test not just language, but courag ...
Premise
The Final Test reveals the hidden origin of Duo the Owl and his friends, ordinary people until they were called upon to become the “Streak Guardians.” Tasked by Duo to uphold the streaks — the daily language-learning commitment of users around the world — this team must confront a mysterious “ultimate test” to protect their world and stay united. As they face various trials, they must keep their streaks alive and each other motivated, navigating challenges that test not just language, but courage, resolve, and teamwork.
Cast and characters
Leading cast
- Aino Shimada as Zari (voice)
- Ryoko Shiraishi as Junior (voice)
- Takayuki Nakatsukasa as Eddy (voice)
- Tsuguo Mogami as Oscar (voice)
- Yukako Kiuchi as Lily (voice)
- Ambrose Yu as Duo (voice)
Episodes
This series spans 1 season with 5 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 5 | October 13, 2025 | October 22, 2025 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
The Beta Test Begins Duo has one warning: “Don’t let your flame go out.” |
October 13, 2025 |
| 2 |
The Cancel Button Not everyone can pass each course. Who will fail this time?? |
October 15, 2025 |
| 3 |
Office Scavenger Hunt Match it perfectly… or meet your maker. |
October 17, 2025 |
Production
Release
| Original network/platform | YouTube |
|---|---|
| First aired | October 13, 2025 |
| Last aired | October 22, 2025 |
| Runtime | 1 minutes |
| Status | continue |