Little House on the Prairie - Season 8 Episode 16 -

Hester Sue's ex-husband, Sam, comes to town. He tells Hester Sue that he was no longer a drinker and a gambler. Hester Sue believes he has changed and soon decides to marry him. Hester Sue learns the truth about Sam when his wife and kids come and warn Hester Sue that Sam is still a drinker and gambler.