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.
Aino Shimada
Zari (voice)
Ryoko Shiraishi
Junior (voice)
Takayuki Nakatsukasa
Eddy (voice)
Tsuguo Mogami
Oscar (voice)
Yukako Kiuchi
Lily (voice)
Ambrose Yu
Duo (voice)
Animaniacs84%
Kiff85%
Ugly Americans82%
Martha Speaks73%
Unsupervised67%
Chowder82%
Fish Hooks64%
Red vs. Blue74%
Metalocalypse75%
China, IL68%
Strange Planet61%
101 Dalmatians Series66%
MAD79%
Back at the Barnyard68%
Cow and Chicken70%
The Wacky World of Tex Avery60%
The Weekenders82%
Ninja Kamui81%
Sealab 202174%
The Marvelous Misadventures of Flapjack81%
