Cliff's 50th Birthday (S03E20)

S03E01 Bring 'em Back Alive S03E02 Food for Thought S03E03 Golden Anniversary S03E04 Man Talk S03E05 Mother, May I? S03E06 The March S03E07 Theo's Flight S03E08 Vanessa's Rich S03E09 Denise Gets a D S03E10 A Girl and Her Dog S03E11 War Stories S03E12 Cliff in Charge S03E13 Monster Man Huxtable S03E14 Rudy Spends the Night S03E15 Say Hello to a Good Buy S03E16 Denise Gets an Opinion S03E17 Calling Doctor Huxtable S03E18 You Only Hurt the One You Love S03E19 The Shower S03E20 Cliff's 50th Birthday S03E21 I Know That You Know S03E22 Andalusian Flu S03E23 Bald and Beautiful S03E24 Planning Parenthood S03E25 Hillman