This season begins with our heroes putting their lives back together. Claire finds that her biggest challenge is forgetting her old life and starting college. Hiro Nakamura goes back to his old life in Japan, but discovers that he has a terminal illness and sets out to fulfill his own personal bucket-list. Peter Petrelli returns to work as an ordinary New York City EMT. H.R.G. is adjusting to life as a single man, but when Mohinder Suresh offers H.R.G. compelling evidence of a new danger, it makes H.R.G. wonder if he should get back in the game. Nathan Petrelli returns to the Senate and begins to notice strange changes in himself. Matt Parkman returns to life as an ordinary family man, but finds something unfamiliar buried deep within his psyche. And a strange and dangerous carnival comprised of a traveling band of outsiders with powerful abilities suddenly poses a grave challenge.

Cast: Jack Coleman, Greg Grunberg, Ali Larter, James Kyson Lee
Studio: NBC
Copyright: 2009 NBC Studios, Inc.

Download to own Episodes of this season

Selected Episodes

Episode #

Episode Title

Air Date

Price

Heroes - Comic-Con Panel Preview

2009

Get a first look at the all new Season 4 of 'Heroes' with footage that was previewed at Comic-Con San Diego.

An NBC Sneak Peek: Heroes

2009

Get a behind the scenes look at the fourth season of 'Heroes' and the start of a brand new volume - 'Redemption'.

Orientation/Jump, Push, Fall

2009

Claire (Hayden Panettiere) struggles with adjusting to her new life in college when a mysterious death thrusts her into the spotlight once again. Elsewhere, Hiro (Masi Oka) and Ando (James Kyson Lee) continue their noble quest to help people by promoting their abilities. Angela (Cristine Rose) fears Nathan (Adrian Pasdar) will soon discover his true identity; while Matt (Greg Grunberg) is haunted by an unexpected visitor seeking something he has lost. Tracy Strauss (Ali Larter) and H.R.G. (Jack Coleman) join forces, looking for the key to unlock the motive behind a horrific crime. Meanwhile, Peter (Milo Ventimiglia) uses his abilities for good, but he is soon called upon to aid an old friend. While the heroes adjust to their new surroundings, a mysterious carnival clan, led by ringleader Samuel (Robert Knepper), sets their sights on familiar faces.

Ink

2009

Peter (Milo Ventimiglia) faces unexpected consequences for his heroic acts and encounters a reluctant new hero (guest star Deanne Bray). As Claire (Hayden Panettiere) continues to adjust to college life, she must figure out how to deal with her ability having been revealed. Meanwhile, Samuel (Robert Knepper) moves heaven and earth to recapture the memories of his late brother Joseph. Elsewhere, Matt (Greg Grunberg) struggles with his internal demons as Sylar (Zachary Quinto) mysteriously resurfaces.

Acceptance

2009

As Hiro's (Masi Oka) life continues to hang in the balance, he distracts himself with saving the lives of others. Meanwhile, Angela (Cristine Rose) tries to help the new 'Nathan' (Adrian Pasdar) remember his past, at the risk of his remembering too much.

Hysterical Blindness

2009

Samuel (Robert Knepper) prepares for new additions to his family, while Lydia (guest star Dawn Olivieri) warns him of the consequences. Claire (Hayden Panettiere) discovers that her roommate Gretchen (guest star Madeline Zima) may have a hidden agenda. Meanwhile, Peter (Milo Ventimiglia) finds an unexpected way to connect with Emma (guest star Deanne Bray), who would prefer to stay distant. Elsewhere, a different side of Sylar (Zachary Quinto) emerges as he desperately tries to remember the person he used to be. Masi Oka and Cristine Rose also star. Rachel Melvin and Jack Wallace also guest star.

Tabula Rasa

2009

Under Samuel's (Robert Knepper) guidance, Sylar (Zachary Quinto) starts on a path to rediscover his true identity. Hiro (Masi Oka) helps Emma (guest star Deanne Bray) accept and understand the great possibilities that go along with having an ability. Meanwhile, Peter (Milo Ventimiglia) enlists HRG (Jack Coleman) to help him find a healer who can save Hiro's life.

Strange Attractors

2009

Matt (Greg Grunberg) goes to extreme measures to extinguish Sylar (Zachary Quinto), who continues to torment him. Elsewhere, H.R.G. (Jack Coleman) calls in a favor from Tracy (Ali Larter) to save a troubled young boy whose misfortunes resemble her own. While Claire (Hayden Panettiere) and Gretchen (guest star Madeline Zima) are being hazed by their new sorority sisters, they realize pledging might not be their biggest problem.

Once Upon A Time In Texas

2009

When Hiro (Masi Oka) travels three years into the past, he has a second chance to save Charlie (guest star Jayma Mays) from the hands of Sylar (Zachary Quinto). However, Samuel's (Robert Knepper) presence serves to complicate Hiro's mission even further. Elsewhere, H.R.G.'s (Jack Coleman) past with his Primatech partner (guest star Elizabeth Rohm) is revealed.

Shadowboxing

2009

Claire (Hayden Panettiere) is determined to get to the bottom of the Sorority Rush attacks on her own, until H.R.G. (Jack Coleman) intervenes only to realize he may be the source of her troubles. Meanwhile, Peter's (Milo Ventimiglia) new ability is a perfect fit for his job and gives him the opportunity to help Emma (guest star Deanne Bray) accept her new life. Elsewhere, Sylar's (Zachary Quinto) battle at gaining full control over Matt's (Greg Grunberg) body escalates - with potentially dangerous implications at stake.

10.

Brother's Keeper

2009

Samuel (Robert Knepper) learns just how powerful he can become and takes dangerous measures to reach his full potential. Meanwhile, as Tracy (Ali Larter) begins to lose control of her ability, one of her own comes in harm's way. Elsewhere, Sylar (Zachary Quinto) continues his battle with Matt (Greg Grunberg).