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As he has in the past when leadership was missing, Callen took the lead on NCIS: Los Angeles Season 10 Episode 3.

That worked out well, even with Joelle popping back up from the dead.

This episode almost made Joelle into a sympathetic figure. And that was a seemingly impossible task, after the way she betrayed Callen.

I mean, he was almost ready to embrace a normal life, when Callen's past was about as far from normal as one could get.

To call their relationship complicated is an understatement. He lied about who he was but then so did she.

Callen, being the all-around good guy that he is, has bailed her ass out on multiple occasions.

That's especially true on the whole faking-her-death thing on NCIS: Los Angeles Season 9 Episode 9, which she did to protect her family.

Boy, for a 20-year veteran of the CIA, she has really run into some shit in the last few years, hasn't she?

This time out, she was protecting Prince Kamal from a shadowy agency that wanted to assassinate him. There sure are a lot of those organizations out there in TV land, aren't there?

At least the team figured out there was something screwy going on since the assassin was leaving virtually no collateral damage --the prince's decoy wasn't shot, the massage therapist just got tied up, the assassin fled at the first sign of resistance.

And how convenient was it that Callen caught a glimpse of Joelle's face just before she escaped the hotel.

Then she just turned herself in, which no self-respecting assassin would do. But by that time, the team had a line on her investigation thanks to the flash drive that Deeks and Kensi found.

Callen tried his best to keep Joelle out of the action, by sticking her in Ops with Eric and Nell.

That's where the best two scenes of the night occurred.

First had to be Eric trying to threaten her with the scissors chained to the desk. It's not a real effective weapon, Eric, when the target can escape by taking a step back.

But then, after Joelle cockily said that there was no way they could keep her in Ops, Nell calmly pulled out her gun and placed in on her desk. Subtle, but oh so effective. Don't just bring attitude to a gunfight, Joelle.

This is why Nell is so at home in the field while Eric belongs strictly in Ops. Unless they need an undercover geek, of course. He tries, but he's going to get seriously hurt one of these days out in the field.

Still, Eric and Nell are the cutest couple in the OSP right now. He knows he's lucky to have found someone that accepts his many eccentricities, and it shows in his behavior.

I know this will set off the Densi fans out there. But they've now become that old, getting-married couple. How many seasons is it now for them being romantically entangled?

After many assorted hiccups on NCIS: Los Angeles Season 9, the wedding planning was back on, somewhat in earnest. Or as Nell indelicately put it, "Oh, so you're doing that again?" The poor thing had to back peddle hard then.

Did any of their decisions stick from last year? Besides buying a bar, which at least might make a funky place for their reception. I bet Deeks could come up with a wild signature cocktail, something blue with a surfboard-topped stir stick.

Sam gave them the best advice about doing things on their own schedule ... within reason.

More on that, I'm sure, for every episode until the ceremony takes place. Or the series gets canceled, whichever happens first.

I understand the ill will between the team and Joelle. She's a sneaky spook who lied to them for years.

But she's largely been on the side of right, unlike many of her CIA colleagues. So why did they suspect she really was trying to kill the prince?

It was a nice if not unexpected touch having the drunken bride and groom actually be the assassination team. That certainly explained why they were on the prince's floor in the first place.

I felt bad that Joelle had to leave her family behind again. I have to think it was to keep them safe, rather than her fear of revealing herself alive to them.

Still, I never understood why she married a civilian and had a child in the first place, considering her dangerous profession. At least Sam married a woman in a similar job, so they together made an informed decision to have a family.

No Hetty, no Mosley. So it was just wheel spinning on that front.

From the preview, it appears Mosley is back on NCIS: Los Angeles Season 10 Episode 4. Let's hope it's just long enough for she and Derrick to go into witness protection. Isn't that where all characters who don't work out or misbehaving actors end up?