Tabula Rasa (Heroes)
Knowing that Hiro has a tumor, which is living tissue, and that Claire Bennet's regenerative blood will only enlarge the tumor, Noah recalls a boy, Jeremy Greer, whom the company had studied during his time at the Company that had the ability to instantly heal near-death living things.Jeremy fires and Peter stops time, but finds he wasn't fast enough as he turns to see his own blood spattering behind him.In the house of mirrors, Damien touches Sylar, and he begins recalling everything, including his mother's death.Hiro reveals it to be Charlie Andrews, a waitress in Texas who had been one of Sylar's first victims and was dying from a brain aneurism.Hiro is then shown to have traveled three years back in time, standing outside the diner where Charlie worked.