Sarah Jones, Alcatraz

"You won't believe what happens next."

That's the theme of the of the new Alcatraz teaser trailer, which will screen Sunday afternoon at the show's WonderCon panel, moderated by this reporter.

Dissecting Alcatraz's Mysteries: Show bosses answer burning questions!

With only two episodes left before the finale, the video offers up a refresher on the intricate storylines as well as a first look at the season-ender. The finale will feature an epic car chase — not unlike Steve McQueen's from Bullitt — that culminates with Rebecca (Sarah Jones) and Tommy (David Hoflin) finally coming face to face. And Tommy ends up on the wrong end of a gun.

Check out the exclusive video below: