Squish, comic book fan and grade school amoeba, is made captain of his soccer team and following the example of his favorite superhero, must figure out how to turn a losing streak around without losing his friends.

At swim camp, Squish's new friend Basil helps him avoid learning to swim with pranks that sometimes go too far, but the comic book exploits of Squish's idol, "Super Amoeba," help him deal with Basil and conquer his fear.