Watch NCIS: Los Angeles Online: Season 13 Episode 1

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Did Callen find out the truth about Hetty?

On NCIS: Los Angeles Season 13 Episode 1, things took a devastating turn when he learned more about the secrets she was keeping from him.

What Hetty Knows - NCIS: Los Angeles Season 13 Episode 1

Meanwhile, Joelle surfaced in her quest to capture Katya, leading the NCIS team on a wild goose chase.

Elsewhere, Kensi and Deeks worked to expand their family as they looked to the future.

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

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NCIS: Los Angeles Season 13 Episode 1 Quotes

If you go down this rabbit hole, G, you may not like what you find. You may even get lost.

Sam [to Callen]

You know how it's hard for you to tell when you're starting to annoy me. This is one of those times.

Sam [to Callen]