The Love Boat - Season 3 - Eps 27: Invisible Maniac/September Song/Peekaboo
Isaac is nervous about the arrival of a famous model, who was his classmate in the first grade. The woman tries to use Isaac to make her sports-obsessed husband jealous. Two sisters overhear Janet pretending to fend off an attack by Isaac, and come to believe that a sex maniac is loose on the ship. Two attorneys must keep their affair a secret because they work for the same firm. He wants to make the relationship public and get married, but she experiences doubts. An older woman undergoes a drastic makeover to shake out of her humdrum life, and encourages her skeptical husband to do the same.
About The Love Boat

Title: The Love Boat
First Air Date: 1977-09-24
Last Air Date: 1987-02-27
Status: Ended
Rating: 6.258/10 (from 184 votes)
Language: EN
Seasons: 10
Total Episodes: 251
Network: ABC
Genres: Drama, Comedy
Production Companies: Aaron Spelling Productions
Synopsis
Passengers who search for romantic nights aboard a beautiful ship travelling to tropical or mysterious countries, decide to pass their vacation aboard the "Love Boat", where Gopher, Dr. Bricker, Isaac, Julie, and Captain Stubing try their best to please them, and sometimes help them fall in love. Things are not always so easy, but in the end, love wins.
Cast

Gavin MacLeod
Merril Stubing

Bernie Kopell
Adam Bricker

Ted Lange
Isaac Washington

Lauren Tewes
Julie McCoy

Jill Whelan
Vicki Stubing

Ted McGinley
Ashley Covington Evans

Marion Ross
Emily Stubing