In the gripping season finale, the API team tries to find their footing in the aftermath of the explosion in Galveston Bay. Plus, Will confronts Spangler (MICHAEL CRISTOFER).

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U.S. Broadcast Premiere: 17-Oct-2010

In the gripping season finale, the API team tries to find their footing in the aftermath of the explosion in Galveston Bay. Katherine sets up a meeting with Will shortly after being directed to a new safe house. And Will confronts Spangler (recurring guest star MICHAEL CRISTOFER), but will he get the answers he is looking for?