Watch NCIS: Los Angeles Online: Season 8 Episode 19

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Did Callen and Sam find the person who murdered an engineer who was developing a guided missile destroyer?

That was addressed on NCIS: Los Angeles Season 8 Episode 19 when the duo went undercover to track his co-worker aboard a plane to Tokyo. 

The pair was shocked when the co-worker tried to sell the intel aboard the plane, but did they manage to arrest the villain before it was too late?

Meanwhile, Deeks planned a surprise get-together for Kensi and her out-of-town friends. 

Use the video above to watch NCIS: Los Angeles online to get caught up on the latest drama for the characters. 

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

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NCIS: Los Angeles Season 8 Episode 19 Quotes

If you just give me four minutes, OK, 2 1/2. Kens?

Deeks [to Kensi]

Every sentence [on a podcast] begins with,'You know, I read somewhere.'

Callen [to Sam]