Family Ties (1982)

S3E11 Don't Kiss Me, I'm Only the Messenger

Alex decides to play matchmaker for his bashful friend Skippy, hoping to unite him with Jane, his crush. However, things take an unexpected turn when Jane develops feelings for Alex instead. The situation escalates when Skippy and Mallory catch Alex in a close moment with Jane, leading Skippy to confront him, believing he has taken his chance with the girl he loves.