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.

Heroes rise and fall in the shocking season finale written by executive producer/creator Tim Kring and directed by executive producer Allan Arkush -- With Isaac's (Santiago Cabrera) horrible predictions all unfolding before them, the everyday people with extraordinary abilities face moments of pain and peril in Kirby Plaza with unflinching heroism, as "Heroes" first volume comes to a close -- and the next surprisingly begins. Jack Coleman, Tawny Cypress, Noah Gray-Cabey, Greg Grunberg, Ali Larter, Masi Oka, Hayden Panettiere, Adrian Pasdar, Sendhil Ramamurthy, Leonard Roberts and Milo Ventimiglia also star. Clea DuVall, Lisa Lackey, James Kyson Lee, Missy Peregrym, Zachary Quinto, Richard Roundtree, George Takei and Adair Tishler guest-star.

West (Nick D'Agosto) convinces Claire (Hayden Panettiere) to teach head cheerleader Debbie (guest star Dianna Agron) a lesson after she deems Claire too ordinary to join the squad. While Suresh (Sendhil Ramamurthy) faces a serious moral dilemma with the Company, H.R.G. (Jack Coleman) pays his Russian mentor a visit in an effort to locate Isaac's last prophetic paintings. Meanwhile, nearing the U.S. border, Alejandro (Shalim Ortiz) becomes increasingly uneasy about Sylar's (Zachary Quinto) intentions, especially towards Maya (Dania Ramirez). Peter (Milo Ventimiglia) and Caitlin's (Katie Carr) search for a mysterious doorway he painted ultimately leads them to a surprising place. In feudal Japan, while attempting to repair history, Hiro (Masi Oka) struggles with his feelings for Kensei's (David Anders) "princess" Yaeko (guest star Eriko Tamura). Noah Gray-Cabey, Dana Davis, Greg Grunberg, Ali Larter, James Kyson Lee and Adrian Pasdar also star. Jimmy Jean-Louis, Adair Tishler and Stephen Tobolowsky guest 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.

When one of his forgotten abilities suddenly manifests, Peter (Milo Ventimiglia) and Caitlin (Katie Carr) get thrown into a crisis situation, and learn first-hand just how deadly the mysterious virus striking people with abilities can be. Suresh (Sendhil Ramamurthy), Matt (Greg Grunberg), Nathan (Adrian Pasdar), Niki (Ali Larter) and Bob (guest star Stephen Tobolowsky) band together to fend off the "nightmare man's" attack. Despite Claire's (Hayden Panettiere) best efforts to keep them apart, West (Nick D'Agosto) learns that the man who kidnapped him as a child is her father (Jack Coleman). Meanwhile, in feudal Japan, Hiro (Masi Oka) and Kensei's (David Anders) legendary journey takes a dramatic, final turn. Kristen Bell, Noah Gray-Cabey, Dana Davis, James Kyson Lee, Zachary Quinto and Dania Ramirez also star. Alan Blumenfeld, Jimmy Jean-Louis, Shalim Ortiz, Eriko Tamura and Adair Tishler guest star.

Sendhil Ramamurthy offers the audience a window into the world of Heroes.

Sendhil Ramamurthy offers the audience a window into the world of Heroes.

We have the latest "Heroes" dirt: Nathan and Peter Petrelli's father shows up this season!

"Heroes" gets darker, and "Lipstick Jungle" is adding some Latin spice! Find out what happened this week on your favorite shows.

Get an exclusive sneak peek straight from the cast of "Heroes" on the "Company Man" episode (Mon. 2/26).