Three's Company - Season 3 - Eps 13: Eleanor's Return
Eleanor makes her first appearance in the shower when Jack meets her for the first time. Knowing that Eleanor was Janet and Chrissy's old roommate, he thinks that Eleanor is moving back in and he might have to leave. What he doesn't know is that they are planning a surprise party for him, but it's too late when Jack tries to ruin the party by having Larry streak across the room!
About Three's Company

Title: Three's Company
First Air Date: 1977-03-15
Last Air Date: 1984-09-18
Status: Ended
Rating: 7.702/10 (from 161 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