The third season of M*A*S*H aired Tuesdays at 8:30–9:00 pm on CBS. Cast. Recurring roles: † First season as a recurring player. ‡ Last season as a recurring player. Episodes. Notes. References. External links. List of M*A*S*H season 3 episodes at the Internet Movie Database https://en.wikipedia.org/wiki/M*A*S*H_season_3