S4, E3: Peter (Milo Ventimiglia) faces unexpected consequences for his heroic acts and encounters a reluctant new hero (guest star Deanne Bray). As Claire (Hayden Panettiere) continues to adjust to college life, she must figure out how to deal with her ability having been revealed. Meanwhile, Samuel (Robert Knepper) moves heaven and earth to recapture the memories of his late brother Joseph. Elsewhere, Matt (Greg Grunberg) struggles with his internal demons as Sylar (Zachary Quinto) mysteriously resurfaces. Jack Coleman also stars. Assaf Cohen and Rick Worthy also guest star.