Mark Hamill on Disney Junior's Miles from Tomorrowland

Mark Hamill will debut in his first appearance as villain Gadfly Garnett in Disney Junior's new intergalactic animated series, "Miles from Tomorrowland" premiering this Friday February 20 at 9:00 am on Disney Channel.  "Miles from Tomorrowland follows the explorations of Miles and his family - mom and ship captain, Phoebe; mechanical engineer dad, Leo; tech-savvy big sister, Loretta; and best friend pet robo-ostrich, Merc. Together, they explore new galaxies filled with peculiar aliens, space-age vehicles and high-tech gadgets, taking young viewers and their families on a futuristic journey designed to fuel kids' natural interest in space and at the same time reminding them of the importance of what lies close to home – the family bond.

MILES FROM TOMORROWLAND - "Who Stole the Stellosphere?" - When space thief Gadfly Garnett sneaks onboard the Stellosphere and blasts away with Miles and Merc still inside, Miles' uncle Joe, captain of the SpaceGuard, comes to the rescue. This episode of "Miles from Tomorrowland" premieres on Friday February 20 at 9:00 a.m. ET

/PT on Disney Junior. (Disney Junior)

MILES, MERC, GADFLY

Olivia Munn ("The Newsroom") stars as Phoebe Callisto alongside Cullen McCarthy ("Mr. Peabody & Sherman") as Miles Callisto, Tom Kenny ("SpongeBob SquarePants") as Leo Callisto, Fiona Bishop (Disney Junior's "Sofia the First") as Loretta Callisto, and Dee Bradley Baker (Disney's "Phineas and Ferb") as Merc. Recurring guest stars include Adrian Grenier ("Entourage") as Captain Joe, Mark Hamill ("Star Wars") as Gadfly, George Takei ("Star Trek") as Spectryx, Bill Nye ("Bill Nye the Science Guy") as Professor Rubicon, Wil Wheaton ("Star Trek: The Next Generation") as Commander S'leet, Alton Brown ("Good Eats") as Lysander Floovox, and Brenda Song ("Dads") as Aunt Frida.