Niki receives a visit from her evil alter ego.
Actor Jack Coleman (Mr. Bennet) and series creator/executive producer Tim Kring discuss the creation of Mr. Bennet.
Zach persuades Claire to go to the homecoming dance.
Actor Masi Oka (Hiro Nakamura) discusses his role as Hiro and tells a funny story about his audition.
Hiro travels to the past to warn Charlie of a threat coming her way.
Gabriel meets Chandra and is eager to take part in Chandra's research on evolution.
Mr. Bennet and Parkman handle a volatile situation.
Actor Sendhil Ramamurthy (Mohinder Suresh) and series creator/executive producer Tim Kring discuss how the role of Mohinder Suresh was tailored to fit the actor's age.
A chilling new thriller centered on America's most infamous prison and one-time home to the nation's most notorious murderers, rapists, kidnappers and thieves.
The clock turns back four months as this season's secrets are revealed.
November 26, 1956; led by Fidel Castro (Demian Bichir), a band of 80 rebels sails to Cuba. Among these young rebels is Argentine physician, Marxist, soldier, Ernesto "Che" Guevara (Benicio Del Toro). Nation-less, strapped for resources and fueled only by determination, the group engages in swift, bloody battle to free the Cuban people from the corrupt dictatorship of Fulgencio Batista. Che and his soldiers wrestle the nation's resources and affection from Batista's grasp. Though considered a hero by some, Che becomes a hugely controversial figure. At the height of his fame and power, he disappears. Entering South America incognito, Che recruits another band of guerilla fighters in the harsh Bolivian jungles. They embark upon a mission to spark revolution throughout Latin America.
Heroes clip - starring Jack Coleman, Hayden Panettiere, Milo Ventimiglia, Masi Oka, Sendhil Ramamurthy, Zachary Quinto.
Nikki decides to protect a D.L. from the police.
Claire warns her step-mother about her headaches.
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