High Noon-ish

S4, E3: Lassiter enlists the services of Shawn and Gus to uncover the truth about the strange occurrences happening in Old Sonora, a former historic mining town turned Old West tourist attraction where Lassiter spent most of his weekends as a child. Shawn and Gus spend the night with Sheriff Hank (James Brolin) who tells them of the legend of the Ghost Rider, a spirit that supposedly haunts the town. When Hank leaves to check on some riled horses and doesn't return Shawn and Gus find him as well as the horses and two fence posts missing. They turn towards a sound of thunder to see a stampede of horses headed straight for them!