UPDATE APRIL 8: Prime Video has moved up the premiere of its high-profile new drama series Fallout, from Westworld creators Jonathan Nolan and Lisa Joy, based on the worldwide best-selling retro-futuristic video game franchise. All eight episodes of the post-apocalyptic series will premiere April 10 at at 6 PM PT. The surprise drop was revealed in a new Fallout ad that aired during Monday’s NCAA Men’s Basketball Championship Game. The drama had previously been slated for April 12 debut.