Diff'rent Strokes

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

Air Date: 1981-01-28

Overview: 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.