The Fugitive (1963)

Season 1: Episode 25

While working as a roller-rink supervisor, Kimble is recognized by the horribly scarred Joe Hallop, a Korean War veteran who blames Kimble for his condition. Apparently back in the Korean War, Kimble was nearly killed in an enemy grenade explosion in which Joe shielded Kimble and got his face disfigured in the process. Knocked out, Kimble never knew who saved his life. Joe then plots to lure Kimble into a remote area and kill him by using one of his war mementos: a live grenade.