"Doctor In the House"
Season Six, Episode #20
#120 in Series
Series: Three's Company
Network/Country: ABC-TV / USA
Air date March 2, 1982
Production code
Written by John Boni
Directed by: Dave Powers
IMDB IMDb logo Doctor In the House
Cast Information
Starring: John Ritter
Joyce DeWitt
Priscilla Barnes
Don Knotts
Richard Kline
Jenilee Harrison
Guest stars: Edward Andrews ... as Grandpa Tripper
Keith Lawrence ... Dr. Phillips
Toni Lamond ... as Patient
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Doctor In the House is the 20th episode of Season 6 of Three's Company, and the 120th overall episode in the series. Written by John Boni, the episode was directed by Dave Powers. It first aired on ABC-TV on March 2, 1982.


Jack pretends he's a doctor to impress his visiting grandfather, who's eager to observe Jack's hospital practice.


Having once told his grandfather that he is a doctor, Jack is now in a panic because the elder Mr. Tripper is coming for a visit. Rather than take Janet's advice of immediately revealing the truth, Jack continues with the charade and finds himself in a bind when Grandpa insists on visiting his office at the hospital. Terri gives in to Jack's begging and lets Jack borrow the office of a doctor who is away, and Janet agrees to act as Jack's "patient." The mix-ups continue when an intern arrives to observe the "doctor," and when Mr. Furley comes in to see the real doctor about his bad back. Jack is finally forced into a full confession and is forgiven by his loving grandfather.

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