3-2-1 Penguins!

Moon Menace on Planet Tell-a-Lie! (1x6)

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The giant moon of Planet Tell-a-Lie has slipped its orbit and is plummeting down rapidly! If Jason and the Penguins don't act quickly, the entire planet will be flattened like a flounder. But with its people telling only lies, figuring out the truth about what is causing their moon to malfunction isn't going to be easy.