S4·E28 Tony and Julie / Separate Beds / America's Sweetheart

Julie (Lauren Tewes) has a run-in with a zoologist (Anthony Andrews), who turns out to be a passenger, and they butt heads. A young actress (Alison Arngrim) comes aboard and makes a fool out of Vicki (Jill Whelan). An estranged husband (William Christopher) and wife (Toni Tennille), one of whom is a neat-freak (Christopher) and the other a slob (Tennille), find themselves not only on the ship but in the same cabin