Mothers Don't Do That / Marrying for Money / Substitute Lover

The captain (Gavin MacLeod) and his crew suspect that a beautiful woman (Caren Kaye) is trying to kill her millionaire husband (Arte Johnson); a glamorous divorcee (Eva Gabor) tries to get reacquainted with her son (Brad Savage), who yearns for his dad (Hank Brandt); and a woman (Judy Landers) gets a shock when she meets her supposed pen pal (Eddie Mekka of ABC's "Laverne & Shirley").