Celebrities and their families join the cast and creative team of "Star Wars Rebels" to celebrate the launch of the highly anticipated new Disney XD series. "Star Wars Rebels" will be introduced via a television movie, "Star Wars Rebels: Spark of Rebellion," premiering  (9:00 p.m., ET/PT) on Disney Channel in the U.S. and  (8:00 p.m., ET/PT) on Disney XD in the U.S. It ushers in the series beginning  (9:00 p.m., ET/PT) on Disney XD in the U.S