The Cosby Show - I Know That You Know

Seizoen: 3 - Aflevering: 21 / 89 - Eerst uitgezonden: 19 maart 1987 - Episode ID: 288413

When Sondra and Elvin announce their engagement, Clair and the children use the news to play a practical joke on Cliff, who launches a counter-offensive of his own. Geoffrey Owens as Elvin.