The Cosby Show: Season 4, Episode 13
Bookworm (7 Jan. 1988)
Clair's book club invites their spouses to attend a meeting, but Cliff is the only man that shows up. Despite Clair's doubts, Cliff read the book and joins the discussion. Sondra & Elvin have Theo, Vanessa, and Rudy over for a sleepover.