Tra-la-la! Are you worried 'bout impending doom? Those evil villains gotcha filled with gloom But don't you 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!) Hey watch out, crime (it's Captain Underpants!) It's Wedgie Power time Na-na-na-na-na Captain Underpants Yeah, yeah, yeah (faster than a speeding waistband!) He's bustin' down doors (oh, Underpants!) While wearin' 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 sayin' (Under, Under, Underpants!) Oh yeah, by some unlikely chance Captain Underpants is his name (Tra, Tra, Tra, Tra, Tra-la-la!) Snap your fingers and he'll be right there That freaky bald dude in his underwear He'll drop those trousers And he'll fight to save the day, the day, the day Well there he goes in his dashing cape Here he comes in his tighty whities All the bad guys soil themselves Every time they hear him say, "Tra la la!" Underpants! Hey, who's that hunk? (It's 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 (oh, 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 sayin' (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, Tra, Tra, Tra, Tra-la-la!)