The New Adventures of Huck Finn (1968)

Overview

In this mixture of live action and animation, Tom Sawyer, Betty Thatcher, and Huck Finn flee from Injun Joe into a cave. They find themselves in a series of animated worlds, and travel from Egypt to Aztec cities to tropical islands. Injun Joe is always one step ahead of them, and typically the evil ruler or power in whatever land they find themselves in.