Charles Emerson Winchester III, avoiding the party, volunteers for Post-Op and treats a Marine, Private LaRoche (played by George Wendt ), who has a pool ball stuck in his mouth after losing a bet.

Hawkeye Pierce treats a malnourished soldier dealing with severe survivor's guilt.

This episode is often remembered for its blend of dark, realistic war scenes and the comedic subplot involving the pool ball.

" Trick or Treatment " (Season 11, Episode 2 of M A S H*, aired Nov 1, 1982) is a Halloween-themed episode where the 4077th staffers try to celebrate despite the relentless demands of the Korean War.

The episode features a somber storyline involving Colonel Potter treating a soldier wounded when a leg bone from a fallen comrade struck him during a landmine explosion.

The camp attempts to have a Halloween party, with staff wearing costumes, but the mood is hampered by the arrival of wounded soldiers.