Arnold and Lisa's Mother
Arnold thinks the school science fair is the perfect opportunity to sabotage the project of his least favorite female classmate, but with a closer look he wonders if her aggravating behavior is really a cry for help.
More from Season 7
Episode 1
A Haunting We Will Go
When Arnold and Sam creep through the crevices of the neighborhood's haunted house they find the ghost boasts a bounty of surprises--the biggest being a love for people and contempt for war.
Episode 3
Bed-Wetting
The Drummond household is faced with Sam's bed-wetting problem trying everything from scolding to fawning, only to have Sam become more frustrated and hurt.
Episode 4
Undercover Lover
Willis becomes the middleman in a police effort to halt use and trafficking of drugs at his high school.
Episode 5
Arnold's Strike
Arnold risks expulsion from school when he leads a strike against some new rules he feels are ""unfair.""
Episode 6
Sam's Father
Sam must choose between a penthouse apartment and a honky-tonk club when his real father comes knocking on the Drummond's door, wanting to take Sam with him.
Episode 7
Carmella Meets the Gooch
""The Gooch"" returns to taunt Arnold and take on a new target--Sam, only to face his first challenge in the Drummond's new neighbor, an Italian foreign exchange student.
