Heroes -- Season III Episode V

A frantic Peter teleports to Level5, snapping Sylar's neck before attempting to cut his mother's head open, but Sylar recovers and stops him. Claire goes after a level5 escapee, however, she is disarmed and captured. Hiro forces Adam to help him find the formula, but Adam escapes after a bartender knocks Hiro senseless. Maya finds that Mohinder has been imprisoning innocent people. When she tries to free them, Mohinder abducts her, too.