Watch Hawaii Five-0 Online: Season 9 Episode 1

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Did McGarrett make a grave mistake?

That was revealed on Hawaii Five-0 Season 9 Episode 1, when he offered up himself to be kidnapped by a group he thinks is responsible for the murder of Steve's CIA agent friend. 

With him being put in a sensory deprivation tank, he had to battle for survival against all odds. 

Meanwhile, Tani wrestled with whether or not to open up about the murder weapon she found at Adam's house. 

Was she putting herself in danger by sitting on the evidence?

Use the video above to watch Hawaii Five-0 online right here via TV Fanatic. 

Get caught up with all the latest action right now. 

Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.

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Hawaii Five-0 Season 9 Episode 1 Quotes

McGarrett: Book him, Danno.
Danny: I'd like to do that, but he's clearly dead.

What's the matter, Eddie? They not letting you dig?