Captain Underpants : [holding Professor P.’s file] Sidekicks, explain to me the importance of this secret file. George : There's a new super villain in town and we're trying to discover his weakness. Captain Underpants : Oh... [George and Harold threw papers out of Professor P.'s file until they found his last name.] George and Harold : [gasp] "Poopypants". ♪ Hallelujah. ♪ ♪ Hallelujah. ♪ ♪ His name is Poopypants, ♪ ♪ We found his weakness, ♪ ♪ Hallelujah. ♪ Harold : ♪ He wants to rid the world of laughter ♪ George : ♪ Forever ♪ George and Harold : ♪ And ever ♪ ♪ We will defeat him ♪ ♪ Hallelujah ♪ ♪ Hallelujah. ♪ [The angels versions of George and Harold do quiet-fives.] Captain Underpants : ♪ Poopypants. ♪ Harold : [holds Krupp’s pants] Captain? You forgetting something? Captain Underpants : Oh, look at that. They came off again.

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