As Time Goes By (M*A*S*H) As Time Goes By (M*A*S*H) "As Time Goes By" is the 255th episode of "M*A*S*H", airing on February 21 (first-run) and September 12 (repeat), 1983, and the last episode filmed. As it was the final episode filmed they took a moment to pay tribute to the characters (except for Trapper John McIntyre) who had left the series before its conclusion. It also introduces the character of Soon-Lee, who would play a vital role in the series' final episode and the short-lived spin-off "AfterMASH". The episode is dedicated to Connie Izay, RN, one of the show's medical advisors. Although this was
M*A*S*H (TV series) Christopher (along with producers Gene Reynolds and Burt Metcalfe and "M*A*S*H" director Charles S. Dubin) reunited at the set to celebrate its partial restoration. The rebuilt signpost is now displayed on weekends, along with tent markers and maps and photos of the set. The state park is open to the public. It was also the location where the film "How Green Was My Valley" (1941) and the "Planet of the Apes" television series (1974) were filmed, among many other productions. Much of this location, including the signpost and markers, were destroyed in the 2018 Woolsey Fire. The exhibit "M*A*S*H: Binding