Sanford and Son (1972)

S02E11 Sanford and Son and Sister Makes Three

Title: Sanford and Son and Sister Makes Three Plot: Fred is surprised when his former flame, Juanita, arrives for a dinner visit, bringing along her daughter, Alice. Lamont quickly develops feelings for Alice and considers proposing to her. However, the evening takes a shocking turn when Juanita reveals to Fred that Alice is actually his daughter, meaning Lamont is unknowingly courting his own sister.