| M*A*S*H | |
|---|---|
| Season 1 | |
 clockwise: Loretta Swit, Alan Alda, McLean Stevenson and Wayne Rogers, 1972. | |
| No. of episodes | 24 |
| Release | |
| Original network | CBS |
| Original release | September 17, 1972 – March 25, 1973 |
| Season chronology | |
The first season of M*A*S*H premiered on September 17, 1972 on CBS and concluded its 24-episode season on March 25, 1973. This season aired Sundays at 8:00–8:30 pm on CBS.