First, "Sunset Carson Rides Again" (1948) and some canyon culprits find themselves in a rootin'-tootin' mess of trouble. With Al Terr, Pat Starling, Dan White, Pat Gleason. Gamblers, gunmen and crooked politicians of "Yuma" (1971), take heed! Clint Walker is a one-man clean-up crew, set to pounce on the lawbreakers of his town. Barry Sullivan, Edgar Buchanan also star. "The Wackiest Wagon Train in the West" (1976) is a feature-length romp culled from the hit TV series "Dusty's Trail," about a lost group of frontier settlers that included wagonmaster Forrest Tucker, goofy sidekick Bob Denver, a millionaire and his wife, and the rest. And, driven from their ranch and forced outside the law thanks to the machinations of a ruthless land baron, three brothers ride for vengeance, in "The Gunfighters" (1987). George Kennedy, Art Hindle star. 5 1/4 hrs. total. Standard; Soundtrack: English.