Mr. Belvedere (1985)

Season 3: Episode 16

Tired of George's smug face everytime he beats him at arm wrestling, Kevin becomes to determined to beat his father and has Mr. Belvedere coach him. Meanwhile, Heather begins dating the football jock who's been ordered to take ballet class by his coach. However, when he shows little interest in her, she begins to question his sexuality and he becomes convinced he's a homosexual.