"My Sister's Keeper"
Season Three, Episode #6
#37 in Series
TC episode 3x6 - My Sister's Keeper - Jenny having talk with sister Janet
When Janet's college-age sister, Jenny, comes to town and decides to stay overnight, Jack, who was to sleep on the couch, inadvertently, sleepwalking wanders into his bedroom, as he and Jenny have to try to explain that to Janet, who thinks there's "hanky panky" going on in "My Sister's Keeper" in Season 3.
Series: Three's Company
Network/Country: ABC-TV / USA
Air date October 17, 1978
Production code
Written by Gary Belkin & Deborah Hwang-Marriott
Directed by: Dave Powers
IMDB IMDb logo My Sister's Keeper
Cast Information
Starring: John Ritter
Joyce DeWitt
Suzanne Somers
Norman Fell
Audra Lindley
Guest stars: Devon Ericson...Jenny Wood
Episode guide
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List of Three's Company episodes

My Sister's Keeper was the sixth episode of Season 3 of Three's Company, also the 37th overall series episode. The episode, which was written by Gary Belkin and Deborah Hwang-Marriott, was directed by Dave Powers. It originally aired on ABC-TV on October 17, 1978.

Plot summaryEdit

Janet's college-age sister, Jenny, comes to town and Jack offers to show her around. Despite Janet's concerns, Jack is a complete gentleman. However, things take a turn when Jack, having been relocated to the couch rather than his own bedroom, takes some medication before sleeping, and, after waking half-up to get some water to drink from the kitchen, inadvertently, out of force of habit, wanders back to his bedroom, as he then winds up back in his own bed with Jenny! 

This being said, the two, Jack and Jenny, both have the arduous task of trying to explain that to a furious Janet, who thinks that Jenny, whom Jack had shown around the town that evening with Janet's approval, thinks that the two were "fooling around", as Jenny, upset about her big sister being overprotective of her, and Janet have to iron out their differences over Jenny's ability to make mature life decisions, as they are finally able to work things out before Jenny returns for Indiana.

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