Deep below Primatech Paper in Odessa, TX, Peter s (Milo Ventimiglia) reunion with Nathan (Adrian Pasdar) turns violent when the brothers, Matt (Greg Grunberg) and Hiro (Masi Oka) all clash thanks to Adam (David Anders) and his pursuit of the deadly Shanti Virus. After watching his heroic cousin captured by a street gang, Micah (Noah Gray-Cabey) turns to the one person who can help him save Monica (Dana Davis) -- his mom (Ali Larter). Meanwhile, Maya (Dania Ramirez) tragically learns how much of a monster Sylar (Zachary Quinto) really is during his kidnapping of Molly (Adair Tishler) and Suresh (Sendhil Ramamurthy). Meanwhile, Elle (Kristen Bell) decides to play hero to get back into her father s (Stephen Tobolowsky) good graces. Jack Coleman, James Kyson Lee and Hayden Panettiere also star.

As Nathan and his family ready for the election, Hiro and Ando face the hard part of saving the world; Eric Roberts, Rena Sofer guest-star. -- Now knowing what's at stake if they fail in their mission, Hiro (Golden Globe nominee Masi Oka) and Ando's (James Kyson Lee) determination to save the world is put to the test. Committed to the path, Nathan (Adrian Pasdar) takes some surprising steps to guarantee his election. Jessica (Ali Larter) and D.L. (Leonard Roberts) begin to learn how their family fits into Linderman's plans. Thompson (guest star Eric Roberts, "Less Than Perfect") brings someone new into his company's fold. With more and more blood on his hands, Sylar (guest star Zachary Quinto) visits his mom (guest star Ellen Greene).

Peter (Milo Ventimiglia) travels to Primatech Paper in Texas with his new friend to destroy the virus, which will kill 93% of the world s population in the future -- or so he believes. Niki (Ali Larter) returns to Micah (Noah Gray-Cabey) with bad news. To right a wrong, Monica (Dana Davis) puts her abilities to the test. Hiro (Masi Oka) goes after his father s killer. Meanwhile, Matt (Greg Grunberg) uses his mental abilities to track down the last person in the Company photo. Nathan (Adrian Pasdar) learns his brother is alive. Outside of New York, Maya (Dania Ramirez) must choose between Alejandro (Shalim Ortiz) and Sylar (Zachary Quinto). Kristen Bell, Jack Coleman, James Kyson Lee, Hayden Panettiere and Sendhil Ramamurthy also star. Nick D Agosto, Adair Tishler and Stephen Tobolowsky guest star.

Deep below Primatech Paper in Odessa, TX, Peter s (Milo Ventimiglia) reunion with Nathan (Adrian Pasdar) turns violent when the brothers, Matt (Greg Grunberg) and Hiro (Masi Oka) all clash thanks to Adam (David Anders) and his pursuit of the deadly Shanti Virus. After watching his heroic cousin captured by a street gang, Micah (Noah Gray-Cabey) turns to the one person who can help him save Monica (Dana Davis) -- his mom (Ali Larter). Meanwhile, Maya (Dania Ramirez) tragically learns how much of a monster Sylar (Zachary Quinto) really is during his kidnapping of Molly (Adair Tishler) and Suresh (Sendhil Ramamurthy). Meanwhile, Elle (Kristen Bell) decides to play hero to get back into her father s (Stephen Tobolowsky) good graces. Jack Coleman, James Kyson Lee and Hayden Panettiere also star.

When agendas clash, a hero dies -- Convinced that the Company is close to finding them, H.R.G. (Jack Coleman) prepares the family to run -- but Claire (Hayden Panettiere) has other ideas. Hiro (Masi Oka) returns from the past and learns of his father s death. Grief-stricken, he flings himself into past and makes a stunning personal discovery. After a charged first encounter with Elle (Kristen Bell), Suresh (Sendhil Ramamurthy) makes a decision that could change lives. Meanwhile, Matt (Greg Grunberg) struggles with his expanding mental abilities. Maya (Dania Ramirez) and Alejandro s (Shalim Ortiz) relationship is tested as they travel with Sylar (Zachary Quinto). Peter (Milo Ventimiglia) meets someone who could unlock his past. Noah Gray-Cabey, Dana Davis, James Kyson Lee, Ali Larter and Adrian Pasdar also star. Nick D Agosto, George Takei, Adair Tishler and Stephen Tobolowsky guest star.

Season 1: Ali Larter is all about being home for the holidays.

Ali Larter is all about being home for the holidays.

Ali Larter on her dark and violent nature.

Ali Larter on her dark and violent nature.

Find out Ali Larter's preferences when she takes the Taste Test.