The Love Boat - Season 1 - Eps 21: Taking Sides/A Friendly Little Game/Going by the Book
An older couple's problems affect the marriage of newlyweds. An elderly man who is riddled with debts, but is desperate to take his wife on a cruise to meet their grandchildren, decides to pay for the trip with a dodgy deck of cards and aims to take the crew for all the money they have. A young man who is very inexperienced with women relies on a self-help book on how to win them over. However, he and Doc Bricker butt heads by going after the same girl.
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