The new show from the creator of The Powerpuff Girls is a smash hit! "An admirable tale of loyalty and adventure-based learning with a contagious sense of fun." -The New York Times

Madame Foster is in big trouble. Her archrival, Flo, has just stolen all the players on her bowling team - right before the championship game. Madame Foster is certain she'll lose. But Mac is determined to help Madame Foster win big. So he finds new players among the Imaginary Friends at Foster's. And some of them turn out to be real ringers! Unfortunately, Mac isn't such a hot bowler himself. Can he master the art of the strike in time to win the big game?