I heard about Tombstone Territory but it never had reruns on any channel I watched. I did watch several westerns including Have Gun Will Travel, Rawhide, Gunsmoke, Bonanza and the Rifleman
Here's a few.
Adventures of Sonic the Hedgehog.
Botzz Master.
Futurama.
Halo: Infinity.
King of the Hill.
Metalocalypse.
Prehistoric Planet.
Primal.
Samurai Jack.
Samurai Pizza Cats.
Seven Periods with Mr. Gormsby.
The first few seasons of the Simpsons.