Second-grader Eugene McGillicudy finds that he can tap the power of Captain Awesome without wearing the costume, as he scores a goal for his soccer team.
When second-grader Eugene and his family move to a new neighborhood and he starts at a new school, he has a chance to bring out his superhero alter ego, Captain Awesome, to find the kidnapped class hamster.
To finish summer swimming lessons, Eugene brings out his superhero alter ego, Captain Awesome, to confront the "Blobby Blob-Blob" at the deep end of the pool.
Eugene McGillicudy stands up for Sally Williams, the new student at Sunnyview Elementary, and then discovers that they both like an orange cat named Mr. Whiskersworth and the comic book super hero, Super Dude.
When a sinister substitute teacher takes over their class, it is up to Eugene and the rest of the Sunnyview Superhero Squad to find Ms. Beasley and foil the sub's plot.