Former 'Mythbusters' star Adam Savage will host and executive produce a new spinoff called 'MythBusters Jr.' The series, which will air on the Science Channel, gives six kids a chance to show off their ingenuity and other skills in science, technology, engineering, arts and math. The show, which consist of 10 episodes, will debut sometime in the 4th quarter of 2018. Savage's original 'MythBusters' show made its debut on Discovery in 2003 and went on to run for 14 seasons before ending in 2016.