The ghost of a gunslinger named Dapper Jack has been terrorizing a ranch near the town of Sorghum City in the trailer for the animated film Scooby-Doo! Shaggy's Showdown. When Scooby and the gang go there to investigate, it's noted that Shaggy bears an uncanny resemblance to the outlaw. Shaggy takes it personally when he discovers Dapper Jack was his ancestor, but Scooby comforts him. The gang learns to ride horses as they round up clues, while Scooby pretends to be a cow so they can practice lassoing. The ghost tries to make off with a stagecoach filled with money. Scooby and Shaggy go after him, but when the stagecoach goes over a bump, they end up hanging onto a branch. They call out, "We're okay!" Then the branch breaks and Scooby lands on top of Shaggy and they repeat, "We're okay!" Shaggy says, "Best. Movie. Ever."