Demetri and Mark debate the future, as well as the identity of D. Gibbons in this clip from FlashForward. It's taken from the 10/1/09 episode of the show.
In this clip from "White to Play," Janis zeroes in on Suspect Zero. Her mission is to determine his identity.
The second episode of FlashForward is titled "White to Play. This is a clip from it.

FlashForward Season 1 Episode 2 Quotes

Olivia: This man means nothing to me.
Mark: For now.

Olivia: I am never gonna be unfaithful to you, Mark.
Mark: We don't know what "never" means anymore.