Ella Purnell, Walton Goggins in 'Fallout' Prime Video The second season of Prime Video's apocalyptic series Fallout will now be released Tuesday, December 16 at 6 p.m. PT, a day earlier than previously announced. The eight-episode series will still continue with one episode rolling out weekly until the season finale February 4. The news of the early release came via a reveal on the Sphere in Las Vegas; the second season of the Emmy-winning drama series partly takes place in the post-apocalyptic "New Vegas.