Heroes: Villains (air date 11/10/2008)

Hiro attempts to delve into Arthur Petrelli's past to uncover the mystery behind him creating a rival company Pinehearst and his hatred towards Angela. Sylar stricken by guilt tries to stop his murderous ways with HRG and Elle vying for his blood. Meredith's training goes up in smoke with the arrival of her brother.

Heroes: Dying of the Light (air date 10/20/2008)

Villains Knox and Daphne are on a quest to recruit Hiro and others to the Pinehearst fold. Angela and the Company are paralyzed from recent events. Peter goes to Pinehearst searching for answers but is stunned to learn who the founder is. Claire and Sandra go on a mission to save Meredith from the clutches of Doyle, a villain with abilities to control people mentally and physically. Nathan and Tracy try to trace their origins with Mohinder's help.

Heroes: Angels and Monsters (air date 10/13/2008)

Matt catches a glimpse of the future, Claire closes down on her first villain, but so are others, Peter finds that his visit to the future has changed him, and Hiro and Ando try to bond with Daphne.

Heroes: I Am Become Death (air date 10/06/2008)

Peter adapts a dangerous ability in order to save the world, HRG gets rid of his partner, and Hiro and Ando want to find out who hired Daphne.

Heroes: One of Us, One of Them (air date 09/29/2008)

HRG gets a new partner, Hiro and Ando track Daphne to Germany, Tracy Strauss searches for answers about Niki, and four new villains are introduced.

Heroes: Villains/Butterfly Effect (air date 09/22/2008)

After a look into the future, Nathan's shooter is revealed, while Hiro receives an important message from his father.

Sylar goes to the Company and inadvertently releases 12 super-powered criminals while Claire learns more about her powers. Meanwhile, Hiro and Ando travel to Paris to track down the speedster who robbed them.

Galactica: Revelations (air date 06/13/2008)

Rebel Cylons go to extreme measures to draw out the Final Five from the Colonial fleet.

Galactica: The Hub (air date 06/06/2008)

Colonial Viper pilots plan an attack on the Resurrection Hub with their Cylon rebel allies.

Galactica: Sine Qua Non (airdate 05/30/2008)

A power struggle among the Colonials results when one of their leaders is abducted.

Lost: There's No Place Like Home (air date 05/29/2008)

The face-off between the survivors and the freighter people continues, and the Oceanic Six find themselves closer to rescue.

Galactica: Guess What's Coming to Dinner (air date 05/16/2008)

President Roslin faces challenges as the Colonials plot with Cylon rebels to destroy a Resurrection Hub.

Lost: There's No Place Like Home, Part 1 (air date 05/15/2008)

The confrontation between the survivors and the freighter people begins.

Galactica: Faith (air date 05/09/08)

The dying President Roslin and the aggressive Viper pilot Kara Thrace try to accept the new terms of the relationship with the Cylons.

Lost: Cabin Fever (air date 05/08/2008)

Locke finds out where Jacob's cabin is. Life on the freighter becomes dangerous.

Galactica: The Road Less Travelled...Part 1 (air date 05/02/2008)

Private Tyrol continues to sink into despair after his recent loss. He becomes curious about Gaius Baltar's sermons and the following he has attracted. The crew of the Demetrius grow concerned about Kara's mental stability as an old enemy arrives with a tempting offer.

Lost: Something Nice Back Home (air date 05/01/2008)

Kate and Juliet must learn to work together when Jack's health is seriously compromised. Something goes wrong as Sawyer, Claire, Aaron and Miles continue their trek away from Locke's camp and back to the beach.

Galactica: Escape Velocity (air date 04/25/2008)

Gaius Baltar sets off a debate on religious freedom when he promotes his belief in a single God.

Lost: The Shape of Things to Come (air date 04/24/2008)

Jack tries to discover the identity of a body that has washed ashore. Meanwhile, Locke's camp is attacked by Ben's adversaries.

Galactica: The Ties That Bind (air date 04/18/08)

Kara Thrace seeks her own path in the search for Earth as the commander of a lone freighter. The Cylons face the threat of the newly sentient Centurions unleashed by Natalie, a copy of Number Six. On the Galactica, a member of the crew learns a dark secret about a loved one.

Lost: The Beginning of the End (air date 1/31/2008)

They thought they had met the enemy. They thought they had seen evil. They thought wrong. As the new season begins, the feeling that rescue is close at hand, the survivors don't know whether or not to believe Charlie's final message that the people claiming to liberate them are not who they seem to be. As unlikely alliances are formed, those they thought could be trusted may turn against them,as the enemy of their enemy becomes their friend. But who can be trusted? Is rescue really as close as it seems?