Captain Underpants: Mega Blissmas is a 2020 American animated Christmas special of the animated series The Epic Tales of Captain Underpants. It was released worldwide on Netflix on December 4, 2020. The special follows George Beard and Harold Hutchins as they attempt to reinvent Christmas by traveling back in time to alter their holiday traditions, resulting in a chaotic alternate future ruled by hyperactive elves, villainous reindeer, and an aggressively muscular Santa Claus known as "Jacked Santa".
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