In ''Past Perfect Love," written by Haskell Barkin, when Gary Michaels (Convy) boards the ship, he is positive that he was formerly married to beautiful Diane Dayton (Ms. Roberts). Julie (Ms. Tewes) decides to change her hairstyle, which causes embarrassment for the crew members because they can't stop laughing. When Julie tries to dye by her own hand, matters become even worse, in ''Green, but Not Jolly,'' written by Tony Webster. In "Instant Family," written by Donald Ross, when George Wettling (John Phillip Law) becomes romantically involved with a woman who is accompanied by her son (Ms. George and Feldman), he discovers an important secret shared by the two.