Shades of Gray

S3 E19: When Sylar (Zachary Quinto) comes face-to-face with his long lost father (guest star John Glover), the reunion proves to be what he least expected. Elsewhere, after receiving a tip from "Rebel," Claire (Hayden Panettiere) must decide if she will help her sworn enemy, Eric Doyle (guest star David Lawrence XVII), evade capture. Meanwhile, as "The Hunter" (guest star Zeljko Ivanek) plans to uncover the Petrelli family's secrets and take control of Nathan's (Adrian Pasdar) operation, Matt (Greg Grunberg) finds himself in the spotlight and on the verge of leveling Capitol Hill. Jack Coleman, Ali Larter, James Kyson Lee, Masi Oka and Cristine Rose also star. Randall Bentley and Ashley Crow also guest star.