What was the theme song for the show that once aired Mondays at 9:00–9:30 pm on CBS?
M*A*S*H (season 8): The eighth season of "M*A*S*H" aired Mondays at 9:00–9:30 pm on CBS. M*A*S*H (TV series): M*A*S*H is a 1972–1983 American television series developed by Larry Gelbart, adapted from the 1970 feature film "MASH" (which was itself based on the 1968 novel "", by Richard Hooker). M*A*S*H (TV series):  The show's title sequence features an instrumental-only version of "Suicide Is Painless", the theme song from the original film.
Suicide Is Painless