Season 3, Episode 7: Chapter Seven 'Eris Quod Sum'

Tracy and Nathan try to save themselves from a dangerous Mohinder who is no longer in control of himself. Mohinder turns to the dangerous, power-stealing Arthur Petrelli to help Maya, and in return, Mr. Petrelli asks for Mohinder's help in developing the secret formula to give people powers in order for Mr. Petrelli to create his evil army of super villains. Meanwhile, Sylar is given the task by the comatose Angela to save Peter from the evil rival company, Pinehurst, when he captured and rendered powerless by his evil father. Also, Daphne is ordered by Knox and Mr. Petrelli to kill Matt, or be killed herself, but finds the task difficult as she begins falling in love with him as he predicted. In Africa, Hiro is still searching for answers from the spiritual painter onto who or what is behind Pinehurst and what their nefarious plans are for the world. In California, Elle approaches Claire and asks for her help to control her powers which leads to both of them forming an uneven alliance to venture to Pinehurst in New Jersey to find answers. Also, H.R.G. recruits Meredith as his new sidekick to track down more Level 5 escapees.

Season 3, Episode 6: Chapter Six 'Dying of the Light'

Fellow villains Knox and Daphne are sent by their emissary, Maury Parkman, on a quest to recruit Hiro and others to the Pinehearst fold. Adam Monroe is brought before the ringleader, who turns out to be the most powerful villain, who uses his power to heal. Matt Parkman arrives back in New York from his African adventure, and is confronted by Daphne with an offer to join their organization, but he instead wants a commitment from her. Hiro and Ando teleport to Africa to try to make contact with Usutu, the vision painter, for information on the persons behind all the recent events. Angela and the Company are paralyzed from recent events, and Noah Bennett is forced to team up with Sylar again to hunt down more escapees from Level 5. Peter goes to Pinehearst searching for answers, but is stunned to learn that his father, Arthur Petrelli, thought to be long dead, is the ringleader of the whole events, and who as the ability to physically absorb others powers by mere touch. Meanwhile, Claire and Sandra go on a mission to save Meredith from the clutches of Eric Doyle, a villain with abilities to control people mentally and physically. In New York, Nathan and Tracy try to trace their origins with Mohinder's help, but who has other plans for them.

Season 3, Episode 5: Chapter Five 'Angels and Monsters'

Claire attempts to destroy her first target, Stephen Canfield. Hiro attempts to become friends with Daphne.

Season 3, Episode 4: Chapter Four 'I Am Become Death'

Having time-traveled four years in the future, the future Peter shows his younger counterpart that people have access to drugs that give them various super powers and some of them will destroy the world. Past Peter is forced to run from the dark and evil future versions of Claire, Daphne, and Knox, all of whom work as killers for government agencies to track him down. Past Peter is forced to look for allies and finds one in a very subdued version of Sylar. From his spot in Africa, Matt Parkman has a vision of his future in four years in which he is married to Speedster Daphne and is still looking after Molly Walker whom also works for the agencies. In the present, Hiro and Ando are locked away in a Level 2 prison cell where their situation starts to drive a riff between them. Tracy learns more about her origins from Dr. Zuckerman, and Nathan receives more tips from the ghost of Mr. Linderman over his position for congress. Also, Mohinder learns that the powers he gave to himself are irreversible and could lead to disaster.