The plot follows two imaginative elementary school pranksters named George Beard and Harold Hutchins who hypnotize their cold-hearted principal, Mr. Krupp, into thinking he is Captain Underpants ...

Using posthypnotic suggestion, they get him to behave like their comic-book superhero, making the principal switch between Krupp and Captain Underpants with a dash of water in his face.

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And so that's where I got the idea from. BLAIR: One of Pilkey characters is the mean and boring Principal Krupp. (SOUNDBITE OF FILM, "CAPTAIN UNDERPANTS") HELMS: (As Principal Krupp) Ever since ...

Ed Helms is the voice of “Captain Underpants” in the new DreamWorks animated film. Dreamworks DreamWorks Animation The boys’ antics are well-intentioned. You see, Principal Krupp seems to be ...

With a title like “Captain Underpants,” you expect kid-friendly ... t playing tricks or being admonished by mean-spirited Principal Krupp, they’re hanging out in George’s treehouse writing ...

The two accidentally hypnotize their mean and uptight principal Mr. Krupp, resulting in his transformation into Captain Underpants, the loveably doltish superhero character they invented.

Using posthypnotic suggestion, they get him to behave like their comic-book superhero, making the principal switch between Krupp and Captain Underpants with a dash of water in his face.

The two are clever cutups who’ve created many volumes of their own hand-drawn comic book, Captain Underpants. When a 3D Hypno Ring out of a cereal box turns Principal Krupp into whoever they ...

With a title like “Captain Underpants,” you expect kid-friendly ... t playing tricks or being admonished by mean-spirited Principal Krupp, they’re hanging out in George’s treehouse writing ...

Using posthypnotic suggestion, they get him to behave like their comic-book superhero, making the principal switch between Krupp and Captain Underpants with a dash of water in his face.

With a title like “Captain Underpants,” you expect kid-friendly ... t playing tricks or being admonished by mean-spirited Principal Krupp, they’re hanging out in George’s treehouse writing ...