Marcus Welby, M.D./I've Promised You a Father (1)
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I've Promised You a Father (1) is the twenty-third episode of the fifth season of Marcus Welby, M.D., and the one hundred twenty-first episode overall.
Guest Star: Kim Darby (Perry)
Special Guest Star: Lynda Day George
A delusional young woman believes Steve to be the father of her young son.