Exclusive: The Hub Goes Wall-to-Wall Transformers Prime on November 1 - Today's News: Our Take | TVGuide.com WARNING! The video contains minor spoilers. http://www.youtube.com/watch?v=tS1bSqSYtEo In the season 2 finale, dubbed "Darkest Hour," a plan set in motion by Megatron forces Optimus to take action — with devastating consequences for the Autobot team. Also. The Hub will have a 26-hour Transformers: Prime Marathon Starting November 1, making its way to the season finale. THAT'S A TOTAL OF 52 EPISODES! Huboooooooom!!!