Hoping to impress Roxie with his dazzling project on bacteria, seventh-grader-to-be Wilmer Dooley enters the state science fair, where he encounters his arch nemesis, Claudius, who may be planning something terribly sinister.

After her companion Meh gives birth to a litter of babies that resemble spring rolls, Olga has her hands full taking care of her new charges.

Twelve-year-old Ella juggles her desire to become a dog show champion and her secret mission to find a girlfriend for her single father, only to learn neither dog nor dad readily bends to her will--