When Ms. Beasley announces that Eugene McGillicuddy (whose superhero alter ego is Captain Awesome) will be representing the class in the second grade spelling bee along with Meredith Mooney also known as Little Miss Stinky Pinky, Captain Awesome wonders if his spelling superpowers are strong enough to defeat his nemesis?.
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.
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.
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.
Captain Awesome (otherwise known as Eugene McGillicudy) tries to enjoy a rare snow day but first he and his friends must battle an evil plot by Meredith and the Frostbiter.
"Captain Awesome encounters his biggest villain yet! But just when all might be lost, someone lends a hand. And not just a regular hand. A super hand"--OCLC.
When Eugene's parents go away for the weekend, he discovers that his babysitter is a true villain so Captain Awesome has to save himself and his little sister from her.