Nelson can't wait for the athletics carnival now that he's a NINJA! For the first time ever, he won't be a nerd -- he'll be AWESOME! But just when Nelson needs his powers the most, they get switched ... with GRANDMA'S! How's he going to win ANYTHING when he runs and jumps like an old lady?!

Fergus and Zeke love being the class pets in Miss Maxwell's classroom. From science experiments to art projects, they do everything the students do. But on Field Day, none of the events are the right size for the small mice -- the limbo is too easy, the high jump is too hard, and kickball is absolutely terrifying! So Fergus and Zeke create their own Field Day Challenge, with mouse-size tug-of-war, acorn throwing, and Hula-Hooping. After all the fun...