Diff'rent Strokes

Junk Food Junkie (a.k.a.) Junk Food (3x13)

: 28, 1981

Arnold's poor dental checkup and a visit by Drummond's health-conscious sister, Sophia, launches Drummond on a campaign to have "junk" food machines banned from Arnold's school, even though Arnold's drive for his class' presidency may depend on keeping the machines in place.