HEROES “Duel” (Season 3 Episode 13) December 13, 2008 Watch a promo from HEROES Season 3 Episode 13, “Duel” airing this Monday, December 15, at 9pm on NBC. Well, now that Sylar is back at being a badass, hopefully this last episode of the year might bring back some excitement finally. Read all our Heroes coverage. Episode Synopsis: “Duel” – In the aftermath of the showdown against Arthur Petrelli, the Petrelli brothers (Adrian Pasdar and Milo Ventimiglia) find themselves battling against one another and Nathan makes a move that will have global repercussions. Meanwhile, Sylar (Zachary Quinto) holds Claire (Hayden Panettiere), H.R.G. (Jack Coleman), Meredith (guest star Jessalyn Gilsig) and Angela (Cristine Rose) hostage at Primatech and a face-off ensues. Elsewhere, Ando (James Kyson Lee), Matt (Greg Grunberg) and Daphne (guest star Brea Grant) continue their attempts rescue Hiro (Masi Oka) — and Dr. Suresh (Sendhil Ramamurthy) may be their only hope. Ali Larter also stars. Ntare Mwine, David H. Lawrence XVII and Chad Faust also guest star. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)