A nurse (
Shirley Hemphill) comes on board to give the crew their company physical but Isaac tries to avoid her, because there's a congenital condition in his family that he fears could jeopardize his job, and the nurse is also attracted to him. A young woman (
Connie Needham), who's dating an older man (
Gene Barry), brings her mother (
Betsy Palmer) to meet him. And when she does, she discovers that he's her old boyfriend. And Julie's (
Lauren Tewes) cousin (
Richard Dean Anderson) comes on board with his fiancée (
Linda Blair) and tells Julie he wants to dump his fiancée because she's "nice", "very nice".
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