Season 1 Episode 18: Parasite

With the election looming, Nathan has a disturbing meeting with Linderman and faces a difficult decision. Niki tries to stop Jessica. Hiro finds the sword with help from Nathan and Ando, but then discovers a dark future. Claire finds answers while her surrogate father gets into trouble with Primatech. Sylar faces off against Mohinder and Peter.

Season 1 Episode 18: Parasite Part 1

Season 1 Episode 18: Parasite Part 2

Season 1 Episode 18: Parasite Part 3