EMMY AWARD-WINNER ZELJKO IVANEK AND MICHAEL DORN GUEST STAR – Nathan (Adrian Pasdar) faces off against Sylar (Zachary Quinto) to keep him from meeting the President (guest star Michael Dorn). Sylar has his own plans for his new partner. Meanwhile, Hiro (Masi Oka) learns that there are repercussions to regaining his ability. Elsewhere, Matt (Greg Grunberg) is forced to go to extraordinary lengths to protect his future with his family. Jack Coleman, James Kyson Lee, Hayden Panettiere, Sendhil Ramamurthy, Cristine Rose and Milo Ventimiglia also star.

EMMY AWARD-WINNER ZELJKO IVANEK, NOAH GRAY-CABEY AND CLINT HOWARD GUEST STAR – Sylar (Zachary Quinto) continues his unusual partnership and begins to have an unexpected identity crisis. Hiro (Masi Oka) and Ando (James Kyson Lee) take measures toward bringing down Building 26. Meanwhile, Matt’s (Greg Grunberg) new found fatherhood changes his priorities. Elsewhere, Nathan (Adrian Pasdar) sets a plan in motion to right the wrongs of his government operation. Jack Coleman, Hayden Panettiere, Sendhil Ramamurthy, Cristine Rose and Milo Ventimiglia also star. Lisa Lackey and Ellen Greene also guest star.

As Nathan (Adrian Pasdar), Claire (Hayden Panettiere), Peter (Milo Ventimiglia) and H.R.G. (Jack Coleman) help Angela (Cristine Rose) uncover her past, she reveals the dark secrets that have haunted her for years. Meanwhile, Mohinder (Sendhil Ramamurthy) learns of his father’s involvement in a long forgotten government operation. Diana Scarwid, Alexa Nikolas, Laura Marano, Ravi Kapoor, Casey Kringlen, H. Michael Croner and Edwin Hodge guest star.