Can Sylar be stopped? Will Linderman's vision live on with Nathan? What will it take for Peter to save the world, what sacrifices will be made? With all the horrible predictions unfolding before them the heroes face moments of pain and peril in Kirby Plaza.

Hiro and Ando's trek into the future leads them to meet some of the heroes as they are five years later, after the nuclear fallout. This includes a darker side of Matt, a Jessica/Niki with a clear winner in their battle, a brown-haired Claire, and a man named Andy, who's a big hearted Texan. It also features an event at an upscale gentleman's club.

As Mr. Bennet tries to protect his daughter by any means, Claire's high school Homecoming celebration turns into a frightening night for many. Nathan and Simone work together to find Isaac's painting for Peter, but this key to the future could lead to tragedy. Meanwhile, Hiro travels back in time to right an upsetting wrong. As Niki puts a goal in sight, Micah spends time with his dad. Still experiencing strange dreams while in India, Suresh learns of a boy that might pull him back into his father's research

H.R.G.'s past catches up to him as Matt and Ted Sprague come to Texas looking for answers, and take him, his wife, son and Claire hostage -- leading to a tragic, explosive showdown.

Poised to become a member of Congress and maybe more, Nathan considers the cost to those he loves, along with his mother's advice and Linderman's prophecy. As he prepares to face Sylar to the death, Hiro learns of his lineage from his father. While various "heroes" fatefully arrive in New York City, Peter and Claire attempt to leave the city before the foretold explosion. H.R.G.

Confused after losing track of another block of time, Niki finds the police on her doorstep, searching for her fugitive husband D.L. Hawkins. Claire confesses to her father. Hiro and his friend get jumped by some Vegas high-rollers. Peter receives a life-changing message from an unlikely source. Meanwhile, Matt secretly uses his mind-reading ability to anticipate his wife's needs. Dismayed by recent events, Suresh makes plans to return to India to lay both his father's remains and his research to rest.

With the election and New York City's destruction looming, Nathan has a disturbing face-to-face meeting with the shadowy Linderman. Hiro's attempt to steal the sword steers him into a grim new direction. Suresh makes a breakthrough on the list—at great cost. D.L. begins to suspect all is not well at home. Isaac paints his most terrible painting yet. New hero Candice Wilmer makes an illusive debut.

As the "Heroes" continue to test their newfound extraordinary abilities, Claire tries to maintain a normal social life when a romance with the football quarterback takes a tragic turn. While Hiro convinces his friend that they are destined to travel to America to save the world, a frightened Niki follows instructions from a mysterious, unknown source that directs her to the middle of the desert. Meanwhile, Nathan uses Peter's accident to propel his political campaign. The elusive Sylar is being hunted by both Matt and the FBI, as well as Suresh, whose father's journal leads to potential clues.

As the clock turns back six months for all of the "Heroes," Mohinder's father Chandra Suresh arrives in New York to begin his quest to find individuals with extraordinary abilities, and meets someone all to eager to be special. Peter celebrates his graduation from nursing school, and learns that Nathan plans to prosecute a case that could mean trouble for the entire Petrelli family. A surprise visit from her father brings out the worst in Niki. Hiro attempts to be a hero and change the future for someone important. Claire joins the cheerleading squad and makes a curious discovery. Mr. Bennet and the Haitian meet someone special.

After "helping" Suresh search for more people with special abilities, Sylar's rampage continues with two "heroes" being confronted by the stronger-powered serial killer. Nathan must factor what he's learned from Linderman into difficult decisions that will shape the future, for him, his family, New York City and the world.

Suresh finally tracks down one of his father's fabled genetically advanced "supermen." In Las Vegas, Hiro's plan backfires when he cautiously turns time to his advantage at the gambling tables. Niki's mafia debtors use their leverage to their benefit in a more elaborate scheme, while Nathan pays a personal visit to a wealthy Vegas contributor to raise additional campaign funds. Following a tragic turn at a bonfire, Claire's uncanny healing abilities are put to the ultimate test, but according to Issac's paintings, her future could be fraught with even more peril Meanwhile, Matt's abilities are gauged by a pair of men who seem to know a great deal about people with special gifts.

Hiro deals with explaining his new heroic path in life to his ambitious sister and tycoon father. Niki has the chance to reunite with D.L and Micah. Claude's mentoring of Peter leads Peter to question those closest to him. Claire goes to a trailer park looking for her birth mother. Sylar wears a disguise and makes a move against HRG.

Peter learns that he and Claude may have been betrayed. Matt's reunited with the radioactive Ted Sprague and Hana Gitelman a woman with "wireless" mental abilities. Hiro makes a tough choice about his mission. Claire can no longer hold back her anger towards HRG.

The tragic events in Texas have sad, serious repercussions for many of the "heroes," their families and friends. Meanwhile, shocking details about the moments leading up to Isaac's predicted New York City nuclear bombing are revealed. Later, Issac's newest painting has fascinating future implications for a hero in crisis. Suresh takes the first steps along his new path. Matt and F.B.I. Agent Audrey Hanson pursue a break in the Sylar case. Horrified by Jessica's recent actions, Niki makes a tough decision to protect her family.

As a total eclipse casts its shadow across the globe, a genetics professor in India is led by his father's disappearance to uncover a secret theory -- there are people with super powers living among us. A young dreamer tries to convince his politician brother that he can fly. A high school cheerleader learns that she is totally indestructible. A single mother struggles to make ends meet to support her young son and discovers that her mirror image has a secret. A gifted artist, whose drug addiction is destroying his life and relationship with his girlfriend, can paint the future. And in Japan, a young man develops a way to stop time through sheer will power. Yet, unbeknownst to them all, their ultimate destiny is nothing less than saving the world...

Outside a bizarre, gruesome crime scene, Los Angeles beat cop Matt Parkman is the only one who can hear the cries of a missing little girl. Claire almost reveals her secret ability to the entire school after learning that her injury attempt tape has disappeared. Thinking she's going crazy, Niki loses another block of time after waking to find some brutally murdered thugs in her garage, only to be confronted by Social Services about son Micah. While office drone Hiro investigates New York, Nathan confronts Peter following his plunge off a building.

Back in India to mourn the passing of his father, Suresh encounters mysterious dreams of the past that force him to question what path to take next. Continuing their journey to New York, Hiro and Ando stop at a diner and meet someone interesting. In crisis, Niki comes to a personal understanding. Determined to see one of Isaac's paintings that Simone recently sold, Peter asks Nathan for help in finding a key to the future. Intent on getting back to her normal life, Claire focuses on Homecoming preparations, unaware of what's to come. Meanwhile, Mr. Bennett and a surprising associate focus their attentions on another "hero."

Hiro continues to search for a sword while being chased by mysterious figures. An invisible man named Claude has something to teach one of the heroes. D.L. takes on new family responsibilities, and Matt opens up to his wife. H.R.G. continues to focus on the captive Sylar. Claire seeks out the Haitian and then her birth parents. Mohinder looks for those on the list, and receives a surprise visitor. A psychiatrist offers to help Niki.

Hiro and Ando's determination is put to the test. Nathan wants to win the election and he's taking drastic measures to ensure that he will. This episode will feature Sylar, his home life, and where he came from. Jessica and D.L. discover some of the stuff that Linderman wants from them and Micah. Also there is a new hero who is supposed to be holding the key to stopping Sylar.

Mr. Bennet prepares to move his family when he thinks the Company has found them, but Claire doesn't like the idea. Hiro returns to the present and upon discovering his father's death, travels back in time to stop it. Meanwhile, Matt works to master his new mental abilities.

Matt reveals his abilities to his wife. HRG confers with Mohinder. Now that she knows the truth, Claire tries to make sense of her life. Hiro seeks the sword that he is destined to own. Niki must face the consequences of her decision to turn herself in to the police. Simone and Nathan are worried about Peter, who has been in a coma for two weeks. Peter meets a new hero. Micah visits his mother.

In order to stop Arthur, Hiro and Clair team up and travel back in time to when Kaito gave Claire to H.R.G. Meanwhile, Peter and the Haitian head out to stop Arthur, but are stopped by Sylar and Suresh has a breakthrough with the formula.

Hiro and his buddy embark on their heroic journey to New York, when they are stopped by a Vegas high-roller who offers them a deal they can't refuse. As Noah Bennett sets up a meeting for his daughter Claire with her biological parents, she hopes that questions about her newfound indestructibility can be answered. Meanwhile, Isaac receives another confusing call from Hiro, but Peter is there this time to pick up the phone and relay a life-saving message. Suresh bids farewell to Eden as he heads back to India to bury his father. An unexpected visitor shows up at Niki's home.

Unexpected visitors greet H.R.G.; Samuel's plan starts to come to fruition; struggling to accept the truth, Peter takes extreme measures to get what he wants; Claire's journey leads her to an unexpected destination.

Claire and her new friend Gretchen investigate the death of Claire's roommate Annie, while Noah comes to Peter for assistance. Samuel and Edgar recover the compass, Hiro realizes his new destiny, and Matt is tormented with mental images from a dangerous foe.

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 to help people with abilities and go so much as to advertise themselves. Meanwhile, Angela fears Nathan/Syler will discover his true identity. Matt tries to settle down back in Los Angeles and raise his son and not worry about unexpected visitors. Elsewhere, Peter is using his ability for good when a mysterious carnival clan, led by Samuel Sullivan, arrives in town which could spell trouble for him and everyone else.

As "Nathan" starts displaying new powers, he has visions of an incident from his past involving a young girl and decides to investigate. Hiro tries to save a co-worker and learns a truth about himself. Tracy tries to regain her old life and job.

After a look into the future, Nathan's shooter is revealed. Matt chases him and winds up in a desert. Hiro receives an important message from his father. Sylar visits Claire. Maya gives Mohinder an idea for his research. Nathan recovers and gets a visit from Linderman.

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 partner is revealed.

Sylar returns to the Carnival in search of answers, H.R.G. tries to forge an alliance with Edgar and Peter continues to struggle with the loss of his brother.

Peter faces unexpected consequences for his heroic acts and encounters a reluctant new hero. As Claire continues to adjust to college life, she must figure out how to deal with her ability having been revealed. Meanwhile, Samuel moves heaven and earth to recapture the memories of his late brother Joseph. Elsewhere, Matt struggles with his internal demons as Sylar mysteriously resurfaces.

Matt goes to extreme measures to extinguish Sylar , who continues to torment him. Elsewhere, HRG calls in a favor from Tracy to save a troubled young boy whose misfortunes resemble her own. While Claire and Gretchen are being hazed by their new sorority sisters, they realize pledging might not be their biggest problem.

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. Elsewhere, Sylar continues his battle with Matt.

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 him the opportunity to help Emma accept her new life. Elsewhere, Sylar's battle at gaining full control over Matt's body escalates with potentially dangerous implications at stake.

As Nathan, Claire, Peter and H.R.G. help Angela uncover her past, she reveals the dark secrets that have haunted her for years. Meanwhile, Mohinder learns of his father’s involvement in a long forgotten government operation.

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 Samuel's intentions after his grim vision of the future.

As Claire becomes immersed into the world of the Carnival, she becomes increasingly suspicious of Samuel's motives. Hiro is on a mission to rescue one of his own, but has difficulty communicating his intentions to Ando.

While being held hostage, HRG is subjected to Matt Parkman's unique brand of interrogation, revealing how he became involved with Nathan's government plot to capture those with abilities. Meanwhile, Matt's discoveries bring Peter face-to-face with "The Hunter"

H.R.G. hosts an untraditional Thanksgiving dinner. Elsewhere, the Petrelli family gets a surprise guest at their table. Meanwhile, Samuel continues to hold Hiro hostage, as Lydia goes in search for the truth.

Hiros 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. Elsewhere, Samuels plan to impress his long-lost love, Vanessa, takes a terrifying turn.

Sylar goes to the Company and inadvertently releases 12 super-powered criminals in a fight with Elle. Future Peter tries to fix his mistake. Angela takes over the company. Claire learns more about her powers. Hiro and Ando travel to Paris to track down the speedster who robbed them. Maya discovers that Mohinder's injection has changed him. Matt meats Usutu, an African with a familiar power.

Peter travels to the future and adopts a dangerous ability in order to try to save the world. Meanwhile, Mohinder struggles with his continuing evolution from the formula, and Hiro and Ando re-unite with an old enemy.

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 would prefer to stay distant. Elsewhere, a different side of Sylar emerges as he desperately tries to remember the person he used to be.

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. Suresh. Elsewhere, Peter's introduction of Emma to his mother brings forth visions of a very grim future.

HRG and his new partner go to a local bank heist with four villains; including Peter being trapped in one of them. Hiro and Ando track Daphne to Germany, and meet the Haitian. Tracy Strauss goes to New Orleans to find out more information about Niki. Meredith teaches Claire a lesson about fighting. Usutu shows Matt a series of paintings about him.

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 healer who can save Hiro’s life.