Based on the novel by Edgar Rice Burroughs, a US soldier finds himself inexplicably transported to Mars in the midst of a war between two alien races.

Dorothy wakes up in post-tornado Kansas, only to be whisked back to Oz to try to save her old friends the Scarecrow, the Lion, the Tin Man and Glinda from a devious new villain, the Jester. Wiser the owl, Marshal Mallow, China Princess and Tugg the tugboat join Dorothy on her latest magical journey through the colorful landscape of Oz to restore order and happiness to Emerald City.