In the aftermath of the showdown against Arthur, the Petrelli brothers find themselves battling each other – and Nathan makes a move that will have global repercussions. Meanwhile, a face-off ensues when Sylar holds Claire, Noah, Meredith and Angela hostage at Primatech. Ando, Matt and Daphne continue their efforts to rescue Hiro – and Suresh may be their only hope.

Wednesday 17th December 10:00pm – BBC3