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.
Made in US
0/10
2025
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Episodes
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)
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