Watch Hawaii Five-0 Online: Season 9 Episode 20

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Why did a specific firearm affect the entire team?

On Hawaii Five-0 Season 9 Episode 20, tensions flared up when it emerged that a local teenage girl purchased a gun from a junkie. 

Upon investigating, it became apparent that the firearm had been a part of the entire team's lives over the course of decades. 

Did it finally shed light on the season's big mystery, or did it go in a different direction entirely?

Amused Observer - Hawaii Five-0 Season 9 Episode 19

Meanwhile, McGarrett fielded several employment offers, making his team worry that he was about to bail. 

What did he decide to do?

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

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

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Hawaii Five-0 Season 9 Episode 20 Quotes

Now there's a .38 with one less bullet in it.

McGarrett

Storekeeper: This island grows on you.
Danny: That's what I hear.