Alison Schapker

Somewhere over the Pacific Ocean, a plane crashes on a seemingly deserted island. The passengers of Oceanic Airlines Flight 815 didn't know they would be tested to their absolute limits. Each boarded the plane with hope of escaping their troubled lives only to find themselves in a place beyond their wildest imaginations. For these castaways, every single day will be a battle just to survive.

Family is everything in ABC's Brothers and Sisters. The Walkers lead very different lives and may seem dysfunctional, but at the root of it, they are always there for each other, whether it's a family tragedy or personal triumph. Sally Fields is Nora, the strong matriarch, who taps into strength she never knew she had and discovers new ways to bring everyone together as a family.

John Noble discusses "Enemy of Enemy".

A familiar face returned and the two universes have to work together.