Trapper John, M.D. - Season 4 - Eps 1: Don't Rain on My Charade
When Melanie's mother comes for a surprise visit, Trapper learns that Melanie has kept their divorce a secret from her for the last six years. Gonzo suggests that a doctor should work as a nurse for a week to get a better idea of the problems they are having, and he gets volunteered for the job.
About Trapper John, M.D.

Title: Trapper John, M.D.
First Air Date: 1979-09-23
Last Air Date: 1986-09-04
Status: Ended
Rating: 6.5/10 (from 20 votes)
Language: EN
Seasons: 7
Total Episodes: 151
Network: CBS
Genres: Drama
Production Companies: 20th Century Fox Television
Synopsis
Trapper John, M.D. is an American television medical drama and spin-off of the film MASH, concerning a lovable doctor who became a mentor and father figure in San Francisco, California. The show ran on CBS from September 23, 1979, to September 4, 1986.
Cast

Pernell Roberts
"Trapper" John McIntyre

Gregory Harrison
George Alonzo 'Gonzo' Gates

Madge Sinclair
Ernestine Shoop, R. N.

Charles Siebert
Stanley Riverside III

Brian Stokes Mitchell
Justin "Jackpot" Jackson

Timothy Busfield
J.T. McIntyre Jr.

Lorna Luft
Libby Kegler

Kip Gilman
Jacob Christmas

Janis Paige
Catherine Hackett