"Ghost Riders in Disguise"
The gang heads down to Texas to visit Shaggy's long lost cousin, Stetson Rogers. Stetson is owner of a dude ranch that is being haunted by two legendary ghosts from the wild west. The gang starts snooping around and find a few clues that lead them to the culprits, Stetson's business partners. They received an offer from a large company that wanted to buy the land and build an amusement park on it but they had to get Stetson to give up his claim on the ranch before the deal could go through.
"Repeat Offender"
Mystery Inc nabs a geologist in a caper but the geologist falls in love with Daphne. He finds a way to escape from prison and starts a new mystery to be solved by Mystery Inc. Velma figures out that it is the same man committing all of the crimes as she sees that the reason that he is doing it is to get close to Daphne. So she has Daphne autograph a picture of herself so the man stops breaking out of jail.