Heroes -- Season III Episode II

Claire is distraught that she isn't able to feel pain; while she is to get hit by a train, future Peter sweeps her away. Elle finds Bob's body and realizes that Sylar has infiltrated the company; her electrical discharge knocks Sylar unconscious, causing a power failure, allowing the prisoners of Level 5 to escape. After breaking out the prison, Peter finds himself trapped in one of the prisoner's body, and he calls Nathan to warn him.