Someone has been ... but not who we're led to believe. Is Callen's father still out there? Or his mother?
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Chris O'Donnell as G. Callen in the season finale of NCIS: Los Angeles. The team hunts down a woman with the key to a vast fortune - as well as Callen's own past.
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Callen goes off the grid to end the first season of NCIS: Los Angeles after his identity is compromised. How will the events of this episode play out?
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Sam and Kensi in the season finale of NCIS: Los Angeles. The show will be back for a second season in the fall - but will all its agents?
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The season finale of NCIS: Los Angeles airs May 25, 2010. Here's a photo from the exciting conclusion to the first season.
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We'll learn a lot about Callen in the first season finale of NCIS: Los Angeles. Where did this mysterious agent come from?
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