Osmo and Rita capture Gustav, fearing he's turning into a monster, but soon they themselves start showing symptoms.
Aired: May 9, 2022 Osmo's unexpected encounter with a peculiar yellow yeti named Gustav sparks a...
Aired: Feb 6, 2023 Osmo and Rita capture Gustav, fearing he's turning into a monster, but soon t...
Aired: Jul 31, 2023 The friends' bond is put to the ultimate test as they're stuck in a precariou...
Aired: Feb 4, 2023 In the next episode, the children aid Gustav in preparing for the ball, but t...
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