A young girl inhabits an isolated island with her scientist father and communicates with a reclusive author of the novel she's reading.

Gettin' Square is about starting over, keeping clean and going straight. Barry Wirth is fresh out of prison and determined to stay on the straight and narrow. But like his mate Johnny 'Spit' Spiteri and reformed gangster turned restaurateur Dabba, he finds out the hard way that there are old scores and a few new ones that'll make getting square a lot harder than he thought.

When the Mystery Inc. gang is invited to Spooky Island, a popular amusement park, they soon discover that the attractions aren't the only things that are spooky. Strange things are happening, and it's up to Scooby, Shaggy, Fred, Daphne, and Velma to uncover the truth behind the mysterious happenings.

Early 20th-century adventurers find themselves fighting for survival after their hot-air balloon crashes into a remote part of the Amazon, stranding them on a prehistoric plateau.