“Let It Bleed” is the thirteenth episode of the fourth season of the NBC science fiction drama series Heroes, the seventy-second episode overall. It is the second episode in a…

Samuel learns just how powerful he can become and takes dangerous measures to reach his full potential. Meanwhile, as Tracy begins to lose control of her ability, one of her…

Booth and Brennan investigate the death of Terence Bancroft, one of the Jeffersonian’s major donors, found dead at his home. Hodgins’ relationship with the wife of the deceased years earlier,…