Watch NCIS: Los Angeles Online: Season 11 Episode 18

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Were aliens about to take over Los Angeles?

That's what one man thought on NCIS: Los Angeles Season 11 Episode 18, and he went missing after making a big deal about it. 

Scoping Out the Situation - NCIS: Los Angeles Season 11 Episode 18

With the team entertaining the possibility, a killer threatened to wreak havoc in town. 

Meanwhile, Anna made a bold decision about her future. 

With the end approaching for most of the characters, did they sign new deals?

Use the video above to watch NCIS: Los Angeles online right here via TV Fanatic. 

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NCIS: Los Angeles Season 11 Episode 18 Quotes

Anna: Go. Go. Save the day.
Callen: I'll get my cape.

You're putting everything on the line to harbor a fugitive.

Anna [to Callen]