S01E04: 'Collision'

Mohinder tracks down Nathan and informs him that his life may be in danger, but the politician is dismissive of his claims. Before leaving for Vegas, Nathan visits Peter - who has spent the night with Simone - and mentions the encounter.

Later, Peter tracks down Mohinder, who has now lost faith in all of his father's ideas, and tells him everything he knows. But will Mohinder be convinced?

In Vegas, Niki is instructed to "entertain" Nathan and, despite her initial reluctance, the pair seem to hit it off. But when a mobster comes looking for her, someone else has to intervene.

Meanwhile, Claire - now very much alive - decides to get revenge on Brody. And Peter gets a surprise on the subway when Hiro shows up to deliver a shocking message...