Tra la la! Are you worried about impending doom? Those evil villains got ya filled with gloom? Don't ya fear, there's a hero in the sky, the sky, the sky It's not a bird and it's not a plane And it's not an egg salad sandwich It's the waistband warrior Hear his mighty battle cry Tra la la! Underpants Hey watch out, Crime Its Captain Underpants Its wedgie power time Na na na na na Captain Underpants Yeah, yeah, yeah Faster than a speeding waistband Underpants He's busting down doors Captain Underpants While wearing just his drawers Na na na na na Captain Underpants Yeah, yeah, yeah More powerful than boxer shorts His name is Under, Under, Underpants I'm saying Under, Under, Underpants Oh yeah by some unlikely chance Captain Underpants is his name Tra la la! Snap your fingers and he'll be right there That freaky bald dude in his underwear He'll drop his trousers And he'll fight to save the day, the day, the day There he goes in his dashing cape Here he comes in his tighty whiteys All the bad guys soil themselves every time they hear him say Tra la la! Underpants Hey, who's that hunk? Captain Underpants Is that cotton pre-shrunk? Na na na na na Captain Underpants Yeah, yeah, yeah Now it's time to fly again Underpants! Suspend your disbelief Captain Underpants He'll save the world in his briefs Na na na na na Captain Underpants Yeah, yeah, yeah To the skies! Wow Under, Under, Underpants I'm saying Under, Under, Underpants Check out that superhero stance Captain Underpants is his name Stand down, Poopypants Oh, Under, Under, Underpants He's Captain Under, Under, Underpants Yeah, By some crazy circumstance Captain Underpants is his name Tra la la!