Eight Is Enough (1977)

Season 2: Episode 7

Joannie agrees to do a nude scene in a shakespearean play and is relives when Tom says he can't make it to the show, or so it goes. [Obviously, a sweeps stunt.] Abby's former father-in-law visits and she is hesitant to introuduce him to Tom and tell him about her plans to marry him. David arranges for Tom to buy an engagement ring for Abby through a friend at work, but it turns out to be too hot to handle.