When does McIntyre leave mash?

In the television series "MAS*H," character Dr. B.J. Hunnicutt, played by Mike Farrell, leaves the 4077th in the series finale titled "Goodbye, Farewell and Amen," which aired on February 28, 1983. In this episode, he departs after the end of the Korean War to return home to his family. The character Dr. Hawkeye Pierce, portrayed by Alan Alda, also experiences significant changes during this final episode, marking an emotional conclusion to the series.