SpongeBob AirPants: The Lost Episode (SpongeBob SquarePants‪)‬

It's a bird! It's a plane! It's...SpongeBob! SpongeBob dreams of flying with the jellyfish. And this time he sets out to make his dream a reality. From a makeshift flying machine to a hapless bat costume, SpongeBob's airborne attempts are grounded until he accidentally invents a pair of superhero-like flying pants. But SpongeBob soon realizes that being a superhero isn't all it's cracked up to be. Will he ever be able to live as a mere mortal again? Find out in this aerodynamic adventure!