

1979–1986 · CBS · Ended
Trapper John, M.D. focuses on Dr. "Trapper" John McIntyre 28 years after his discharge from the 4077th Mobile Army Surgical Hospital (MASH) in the Korean War. During that time after the war, the character had mellowed considerably. He did not just learn how to stop fighting the system but became a part of it, in a sense, as the Chief of Surgery at San Francisco Memorial Hospital. Trapper showed tremendous compassion toward his patients, often violating "established hospital procedures." Working with Trapper was an aspiring young professional named Dr. George Alonzo "Gonzo" Gates. Gates had a lot in common with Trapper, as he too had served in a MASH (albeit during the later Vietnam War). His sense of humor and love of life also reflected elements of Trapper's younger days. In the show, Gonzo resided in a motor home (dubbed "The Titanic") in the hospital parking lot.
This series has ended.
Last aired
S07E19 · The Elusive Butterfly
1986-09-04
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Game of Hearts (1)
1985-10-06 · 60 min
Game of Hearts (2)
1985-10-13 · 60 min
Hot Shot
1985-10-20 · 60 min
Just Around the Corner
1985-10-27 · 60 min
Friends and Lovers
1985-11-03 · 60 min
The Wunderkind
1985-11-10 · 60 min
A Wheel in a Wheel
1985-12-01 · 60 min
The Second Best Man
1985-12-15 · 60 min
Billboard Barney
1985-12-29 · 60 min
Going, Going, Gonzo
1986-01-05 · 60 min
Heart and Seoul
1986-01-28 · 60 min
Life, Death and Dr. Christmas
1986-02-18 · 60 min
Judgment Day
1986-03-04 · 60 min
Fall of the Wild
1986-03-11 · 60 min
The Curmudgeon
1986-03-18 · 60 min
Self-Diagnosis
1986-08-14 · 60 min
Research and Destroy
1986-08-21 · 60 min
Strange Bedfellows
1986-08-28 · 60 min
The Elusive Butterfly
1986-09-04 · 60 min

Brian Stokes Mitchell
Dr. Justin 'Jackpot' Jackson
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Browse #trapperjohnmd on Instagram →Trapper John, M.D. (TV Series 1979–1986) - Ratings
IMDb · Nov 10, 2026
The Highly Successful MASH Spin-Off That Almost Nobody Talks About Today
TVLine · Mar 18, 2026
‘Trapper John, M.D.’ Star Dies at 87
Parade Magazine · Jan 7, 2026
He Played Gonzo on “Trapper John, M.D.” See Gregory Harrison Now at 72.
Best Life · Nov 1, 2022
The 10 Best Shows Like M*A*S*H
TVLine · Sep 6, 2026
Is Trapper's Show A True MASH Spinoff Or What? (Confusion Explained)
ScreenRant · May 2, 2024
Charles Siebert Dies: ‘Trapper John, M.D.’ Actor Was 84
Deadline · May 31, 2022
Charles Siebert, Actor on ‘Trapper John, M.D.,’ Dies at 84
The Hollywood Reporter · May 31, 2022