Gunsmoke. Episode 5 called Never Pester Chester. (Has a nice ring to it, huh?) Chester gets himself shot and Matt won’t rest till he finds the coyote who dun it.
The Saint with Vincent Price. Episode 53 called Santa Claus Is No Saint. A for hire Santa Claus is thought to have stolen some jewels at a high society party but then he turns up dead, so it has to be someone else who dun did it.