3x20 Cliff's 50th Birthday
First Aired: Mar. 12, 1987 on NBC
Summary: Clair decides to let Cliff have some friends over to celebrate his 50th birthday, even though he wants to invite Mark, who used to be married to Clair's best friend. Meanwhile, Cliff convinces Theo to hang out with Mark's daughter, who is 12, when Mark has to bring her because her mother is sick.
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Guest Stars[no credits found]