Mr. Belvedere (1985)

S3E16 The Competition

Frustrated by George's arrogant grin after each arm wrestling victory, Kevin resolves to finally defeat his dad and enlists Mr. Belvedere to help him train. At the same time, Heather starts dating the football player whose coach has mandated he take ballet lessons. As he seems indifferent towards her, she starts to doubt his interest in girls, leading him to believe he might be gay.