Gunsmoke (1955)

S4E27 The F.U.

After a heated argument with Al Clovis during a poker game, Onie Becker is gunned down in the streets of Dodge, leading everyone to assume Clovis is responsible for the shooting. However, as Matt and Chester chase Clovis aboard a departing train, they uncover deeper layers to the incident, raising questions about the true circumstances surrounding Onie's fate.