Episodes: 3) One Giant Leap - Hiro gets back to Japan and persuades Ando to help him save the world; Pete is struggling to fly again; Claire gets killed and wakes up during the autopsy and Matt sees a mysterious man while helping to investigate the murders from the last episode. 4) Collision - Hiro and Ando arrive in Vegas, where they gamble and win thanks to Hiro's powers; Mohinder meets with Pete, who is starting to think that his power is absorbing the powers of other people; Claire, after escaping the autopsy room, takes a dark turn in dealing with the quarterback who tried to rape her and Nathan goes to Las Vegas and is seduced by Niki. 5) Hiros - Niki is questioned by police about her hubbie's whereabouts; Matt's relationship with his wife benefits from his mind-reading abilities; Claire divulges her secret to her father; Hiro has a violent run-in with Las Vegas high rollers; Peter receives a life-changing message; and Mohinder contemplates leaving New York and his father's research behind.