When Frank complains that Hawkeye "always gets the Cowboys, while I get stuck with the Indians!" (referring to friendly troops versus enemies, brought in for treatment), Colonel Potter reveals that he is one-quarter Cherokee.

When he finds out about Hawkeye and B.J.'s gin still, Colonel Potter offers advice on how to improve its yield, explaining that he himself had a still while stationed on Guam during World War II; one night the still exploded leaving him with an injury that won him a Purple Heart.

When Hawkeye tells Trapper that Tuttle was his imaginary friend when he was a kid. Radar reveals that he also had an imaginary friend, a girl named Shirley.

In "Sometimes You Hear the Bullet", Hawkeye discovers that one of his patients (played by Ron Howard) is an underaged soldier. The boy begs Hawkeye to let him stay on, and at first Hawkeye agrees. But then Hawkeye's old friend, Corporal Tommy Gillis, is wounded and dies on the operating table. Overcome with grief, Hawkeye decides to turn in the underaged soldier for his own good.

In "The Army-Navy Game", Hawkeye and Trapper John are sent to diffuse the bomb. They accidentally set it off, but thankfully it only fires hundreds of propaganda leaflets into the air.

The series spanned 256 episodes and lasted 11 seasons--8 years longer than the actual Korean War.

Capt. Hawkeye Pierce, Father Francis Mulcahy, Maj. Margaret Houlihan and Cpl. Max Klinger were the only characters who remained for the entire 11-year run.

From 1983 until 2010, "Goodbye, Farewell and Amen", which chronicles the final days of the Korean War at the 4077th, remained the most watched television broadcast in American history. It was passed in total viewership (but not in Ratings or Share) in February 2010 by Super Bowl XLIV.