Capture the thief under the Big Top in SCOOBY-DOO! Adventure with Ghost Clown! This sneaky ghost is haunting the circus after being caught stealing show materials. He needs to be stopped, so Scooby-Doo™ goes undercover as a balloon seller to solve the mystery. Unmask the ghost to reveal his true identity, and collect his ghost card, which can be examined using the reader in the SCOOBY-DOO! Mystery Machine™ or SCOOBY-DOO! Adventure in the Mystery Mansion