Hawaii Five-O Season 2 Trailer: Terry O'Quinn to the Rescue!

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Season two of Hawaii Five-O will be chock full of guest stars, from Tom Sizemore to William Baldwin to Greg Grunberg.

But the CBS is making no secret of the exciting casting scoop of them all: the return of Terry O'Quinn to the small screen. This beloved Lost star will play a key role from the September 19 premiere, coming on board as the Navy Seal Lt. Commander who trained Steve McGarrett and now must save Steve McGarrett from prison.

Check out the first official trailer for the second season and check out our Hawaii Five-O spoilers section for more intel.

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When does Hawaii Five-O come back on in the UK?? Loved the first series, can't wait for the second.


I'm so glad to see John Locke on my screen again. I love Hawaii Five-O


Only remake I've seen that's better than the original!!!!!!!!!!!


The promo looks awesome is it september 19 yet the wait is killing me!!!!!


Great trailer, I can't wait for season2!!!!!