On a special after-hours tour of the Coolsville Aquarium, the gang tries to catch the Fishy Phantom, who has stolen the aquarium's rare rainbow flounder.
When Velma and the gang get a sneak peek of the rare Rainbow Flounder during an after-hours tour at the Coolsville Aquarium, a Fishy Phantom shows up and steals the exhibit.
On a special after-hours tour of the Coolsville Aquarium, the gang tries to catch the Fishy Phantom, who has stolen the aquarium's rare rainbow flounder.