Watch a new clip from Sam Raimi's prequel to "The Wizard of Oz"
Franco, who plays the titular character in Sam Raimi's prequel to "The Wizard of Oz," nervously rides through the computer-generated sky in a big bubble.
While it's certainly an environmentally-friendly way to travel, it's also absolutely terrifying, considering that bubbles have a bad habit of bursting. But Williams, who portrays one of the three witches in the film, doesn't seem too concerned.
Watch the clip: