 Welcome to Korea

"Welcome to Korea" was a 2-episode story arc, the 73rd and 74th episodes of the "M*A*S*H" television series, and first two episodes of the fourth season of the series.First aired on September 12, 1975, the series' first 60 minute episode (double the normal time) was most notable for its off-screen departure of the character of Captain Trapper John McIntyre (played by Wayne Rogers), and his replacement by the freshly drafted Captain B.J.