Cliff, Clair, and the children plan an elaborate celebration for Cliff's parents 50th wedding anniversary. The Huxtable's perform a musical number for the parents and take them to a club for music and dancing.

Vanessa starts wearing makeup without her parents' permission. Clair talks to Vanessa and reminds her she must wait until she's 15. Meanwhile, Theo is taking a fire-safety class at school and quizzes his parents on procedures.