Maude - Season 2 - Eps 22: The Investment
Arthur gives Walter a stock tip which causes Walter to lose $3,700. Walter, angry at Arthur, insists on being angry with Arthur for saying it was a sure thing. Later, when Walter finds out Arthur didn't invest in the stock himself, questions arise about his financial situation, which leads to a huge blowup between Walter, Maude, Vivian and Arthur.
About Maude

Title: Maude
First Air Date: 1972-09-12
Last Air Date: 1978-04-22
Status: Ended
Rating: 6.8/10 (from 32 votes)
Language: EN
Seasons: 6
Total Episodes: 141
Network: CBS
Genres: Comedy, Drama
Production Companies: Tandem Productions, Bud Yorkin Productions
Synopsis
Well-educated and upper middle class, Maude Findlay is the archetypal feminist of her generation. She lives in suburban Tuckahoe, New York, with her fourth husband, Walter, their divorced daughter, Carol, and grandson Phillip.
Cast

Bea Arthur
Maude Findlay

Bill Macy
Walter Findlay

Adrienne Barbeau
Carol Traynor

Rue McClanahan
Vivian Harmon

Conrad Bain
Arthur Harmon