Watch out, because the world's favorite bug is about to get supersized! While searching for a tasty snack, Fly Guy accidentally munches on some glowing green garbage from a radioactive trash can. Suddenly, he starts to grow, and grow, and grow, until he is a massive fifty feet tall! Now, a giant Fly Guy is stomping through the city, and the police and military are getting ready to attack. Buzz knows his best friend is not a dangerous monster, but how can he prove it? Teaming up with a brilliant scientist, Buzz must race against the clock to figure out a way to shrink his giant buddy back to normal size before it is too late. Packed with thrilling action, hilarious mix-ups, and epic illustrations, this larger-than-life adventure proves that true friendship comes in all sizes. Get ready for a massive rescue mission!