Watch Terminator: The Sarah Connor Chronicles Season 2 Episode 20

Watch Terminator: The Sarah Connor Chronicles Season 2 Episode 20 To The Lighthouse aired 270309 at 8pm on Fox.

Now on the run, Sarah stashes John in a safe house with the only person she believes she can rely on: Charley Dixon. Meanwhile, Cameron and Derek struggle to work together after she reveals a big secret about her malfunction. Elsewhere at Ziratech Corp, Catherine Weaver's effort for Project Babylon is at risk when Cromartie/John Henry is compromised by Ellison's further investigation.