Episode 1 | Chapter One 'Orientation/Jump, Push, Fall'

Claire, back home in California, begins attending college, but is having difficulty adjusting when a mysterious death of a student during the orientation puts her back in the spotlight. In Japan, Hiro and Ando continue their quest...

Episode 2 | Chapter Two 'Ink'

Samuel continues searching for the whereabouts of the soul of his brother. He begins to focus on Peter by using his ink-transparency powers to investigate Peter. Meanwhile, Claire deals with her secret being outed when Gretchen pr...

Episode 3 | Chapter Three 'Acceptance'

As Hiro's life continues to hang in the balance, he distracts himself with saving the lives of others. Meanwhile, Angela tries to help the new "Nathan" remember his past, at the risk of his remembering too much. Elsewhere, Tracy i...

Episode 4 | Chapter Four 'Hysterical Blindness'

Samuel prepares for new additions to his family, while Lydia warns him of the consequences. Claire discovers that her roommate Gretchen may have a hidden agenda. Meanwhile, Peter finds an unexpected way to connect with Emma, who w...

Episode 5 | Chapter Five 'Tabula Rasa'

Under Samuel's guidance, Sylar starts on a path to rediscover his true identity. Hiro helps Emma accept and understand the great possibilities that go along with having an ability. Meanwhile, Peter enlists HRG to help him find a h...

Episode 6 | Chapter Six 'Strange Attractors'

Matt goes to extreme measures to extinguish Sylar, who continues to torment him. Elsewhere, H.R.G. calls in a favor from Tracy to save a troubled young boy whose misfortunes resemble her own. While Claire and Gretchen are being ha...

Episode 7 | Chapter Seven 'Once Upon a Time in Texas'

When Hiro travels three years into the past, he has a second chance to save Charlie from the hands of Sylar. However, Samuel's presence serves to complicate Hiro's mission even further. Elsewhere, H.R.G.'s past with his Primatech ...

Episode 8 | Chapter Eight 'Shadowboxing'

Claire is determined to get to the bottom of the Sorority Rush attacks on her own, until H.R.G. intervenes only to realize he may be the source of her troubles. Meanwhile, Peter's new ability is a perfect fit for his job and gives...

Episode 9 | Chapter Nine 'Brother's Keeper'

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 own comes in harms way.

Episode 10 | Chapter Ten 'Thanksgiving'

H.R.G. hosts a non-traditional Thanksgiving dinner by inviting Claire over at his apartment for dinner. But the dinner becomes more awkward and uncomfortable when Noah invites his former co-worker Lauren, while Noah's ex-wife, San...

Episode 11 | Chapter Eleven 'The Fifth Stage'

H.R.G. is greeted by some unexpected visitors and Samuel's grand plan begins to come to fruition. Meanwhile, Peter struggles to accept the truth and takes extreme measures to get what he wants. Elsewhere, Claire's journey leads he...

Episode 12 | Chapter Twelve 'Upon This Rock'

Samuel goes off and tries to bring Emma into the fold by manipulating her about how special her sight-of-sound powers are, while back at the Sullivan Brothers Carnival, Claire becomes more suspicious about Samuel's intentions and ...

Episode 13 | Chapter Thirteen 'Let It Bleed'

Claire attends Nathan's funeral while Peter struggles with his grief in his own way by wanting to seek revenge. Meanwhile, Noah and Lauren interrogate a captured Edgar for information to where to find Samuel's carnival. Elsewhere,...

Episode 14 | Chapter Fourteen 'Close to You'

H.R.G. recruits Matt to help him take down Samuel, as they use his long-lost love, Vanessa, to lure him to them, but Samuel has his own plans for Vanessa in the works. Meanwhile, Hiro and Ando go to extreme lengths to save Dr. Sur...

Episode 15 | Chapter Fifteen 'Pass/Fail'

Hiro's life hangs in the balance as his brain tumor worsens, prompting him to subconsciously deal with some of his past decisions. Meanwhile, Sylar pays Claire an unexpected visit to get answers as to why he isn't quite himself. E...

Episode 16 | Chapter Sixteen 'The Art of Deception'

H.R.G. enacts his plan to take down the Carnival with the help of Lauren and Suresh. Sylar visits Matt looking to understand his desire to make a human connection, but Matt has a plan of his own. Meanwhile, Peter warns Emma of Sam...

Episode 17 | Chapter Seventeen 'The Wall'

Peter is forced to travel into Sylar's mind to ask for him to save Emma and the two of them find themselves in a limbo state-like deserted city where they try to find a way out. Meanwhile, Samuel tries to further manipulate Claire...

Episode 18 | Chapter Eighteen 'Brave New World'

Samuel's ultimate plan spells disaster for thousands.

Episode 19 | Brave New World