Shaggy competes in a mini-golf tournament that is terrorized by a giant metallic clown. In a surprising twist of events, Shaggy, driven by his desire to win the tournament, faces the monster boldly, and it is Velma, with a childhood trauma resurfaced, who ends up frightened by the monster of the day!
Ned and Stacy are playing late at Putt Putt Paradise; the latter wants to go home, but the former wants to finish his game. When Ned wins and he wants his free game, but when nothing happens he kicks the clown-themed golf course and in return it comes to life consuming the boy whole!
Because of Velma's clown "allergy" (phobia) and Shaggy's determination to golf, they effectively switch roles and personalities during this case; Shaggy is the smart, brave, and bold one, while Velma is the "scaredy cat".
Ned and Stacy could be a reference to the short-lived NBC sitcom, Ned and Stacy.