Three's Company - Season 8 - Eps 7: Grandma Jack
Larry enters one of Jack's recipes in a cooking contest which wins, but Jack finds out that the contest is open only to women. Jack dresses as a woman to enter a bake-off competition.
About Three's Company

Title: Three's Company
First Air Date: 1977-03-15
Last Air Date: 1984-09-18
Status: Ended
Rating: 7.655/10 (from 164 votes)
Language: EN
Seasons: 9
Total Episodes: 171
Network: ABC
Genres: Comedy
Production Companies: Unknown
Synopsis
When two single girls, Janet and Chrissy, need a roommate to share their Santa Monica apartment, they decide to offer a room to Jack, a man they find passed out in the bathtub after the going-away party for their last roommate. However, hijinks ensure when Jack must pretend to be gay in order to throw off the scent of the trio's conservative landlady.
Cast

John Ritter
Jack Tripper

Joyce DeWitt
Janet Wood

Priscilla Barnes
Terri Alden

Don Knotts
Ralph Furley

Richard Kline
Larry Dallas