EMMY AWARD-WINNER ZELJKO IVANEK, MOIRA KELLY, JUSTIN BALDONI AND DAN BYRD GUEST STAR – Nathan’s (Adrian Pasdar) plans face exposure as Homeland Security begins an investigation under direct orders from the President of the United States. Sylar (Zachary Quinto) and Luke (guest Dan Byrd) embark on a road trip to find Sylar’s father, but are secretly being hunted by Nathan’s agents. Life gets complicated for the Bennet family as Claire (Hayden Panettiere) goes into action to protect a young man with abilities (guest star Justin Baldoni) from being captured by HRG (Jack Coleman). Elsewhere, Matt’s (Greg Grunberg) prophetic images lead Hiro (Masi Oka) and Ando (James Kyson Lee) to India and a mysterious ally comes to the aid of our Heroes. Ali Larter, Sendhil Ramamurthy and Milo Ventimiglia also star. Ashley Crow, Randall Bentley and Amrapali Ambegaokar also guest star.

EMMY AWARD-WINNER ZELJKO IVANEK, BREA GRANT AND DAN BYRD GUEST STAR � Following a chain of unexpected events, our Heroes are on the run from their latest adversary and one of their own, Nathan Petrelli (Adrian Pasdar). After Matt (Greg Grunberg) paints a series of prophetic images, the tragic fate of someone close to him is revealed. Elsewhere, Sylar (Zachary Quinto) continues his search for his father and encounters a young outcast (guest star Dan Byrd) with information and an ability of his own. Jack Coleman, Ali Larter, James Kyson Lee, Masi Oka, Hayden Panettiere, Sendhil Ramamurthy, Cristine Rose and Milo Ventimiglia also star. Ashley Crow and Ntare Mwine also guest star.

ROBERT FORSTER, GEORGE TAKEI, BREA GRANT, Jessalyn Gilsig, JAMIE HECTOR AND BLAKE SHIELDS GUEST STAR – 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.

GEORGE TAKEI, KRISTEN BELL, BREA GRANT, SETH GREEN, BRECKIN MEYER, JAMIE HECTOR AND BLAKE SHIELDS GUEST STAR – Hoping to find a way to stop Arthur (guest star Robert Forster), Hiro (Masi Oka) and Claire (Hayden Panettiere) band together and travel back in time 16 years to when Kaito (guest star George Takei) gave baby Claire to H.R.G. (Jack Coleman). Meanwhile, Peter (Milo Ventimiglia) and the Haitian (guest star Jimmy Jean-Louis) team up to finish off Arthur Petrelli for good but are interrupted by Sylar (Zachary Quinto). Elsewhere, in the lab, Suresh (Sendhil Ramamurthy) has a major breakthrough with the formula that will likely change everything. Ali Larter, Cristine Rose, Greg Grunberg, Adrian Pasdar and James Kyson Lee also star. Jessalyn Gilsig, Ashley Crow, Tamlyn Tomita and Chad Faust also guest star.