Nell needs helping getting past her traumatic experience on NCIS: Los Angeles. "The 3rd Choir" is the fourth episode of the show's sixth season.
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Nate makes his return, as seen in this scene from the January 15, 2013 episode of NCIS: Los Angeles.
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Nate turns up unexpectedly in this episode as well. Here he meets Callen in the hotel.
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Sam and Nate are reunited in the February 1, 2011 episode of NCIS: Los Angeles. Check out this image from "Lockup."
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Deeks, Callen, Kensi and Sam made a foursome worth watching each week on NCIS: Los Angeles.
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On NCIS: Los Angeles, Nate "Doc" Getz is an operating psychologist in the Office of Special Projects. He's pretty cool.
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NCIS: Los Angeles Quotes

Kensi: Because once again you're trying to say something without actually saying it. And it's driving me nuts.
Deeks: I think you lost me.
Kensi: No. I don't think I did. I think you know exactly what I'm talking about.
Deeks: Do I?
Kensi: Damn it, Deeks, you asked me out on a date without actually asking me out on a date. Now, if this keeps going this way and we can't communicate, and we've been over this -- you never say what you mean, and if this is the way it's gonna be, then I don't know how we're ever gonna --
Deeks: I don't want to be here with you right now.
Kensi: What?
Deeks: I want to be at my place, right now ... with you.

Go wherever you please Ella -- I will find you once I am finished here.

Thapa