Cute kid alert!

On Grey's Anatomy Season 13 Episode 23, Nathan and Meredith will take on a case involving a wise beyond her years patient who wants to know the ends and outs of her condition and her treatment. She certainly seems to be impressing Riggs.

Meredith and Nathan appear to have their first couple's quarrel about the course of the case. Even Meredith can't help but smile at Nathan and their tiny human patient. That's a good sign, seeing as she has a brood of tiny humans herself.

Elsewhere, Alex is at a medical conference looking especially dapper in a gray suit. The question is, what is in that file of his he is carrying around and does it have anything to do with that mysterious phone call he made at the end of Grey's Anatomy Season 13 Episode 22?

Owen gets a surprise of his own when someone comes knocking at his door. It has to be about his sister, right?!

Check out the photos below and hit the comments with your theories. Need to catch up? No problem, you can watch Grey's Anatomy online here via TV Fanatic!

This young patient knows her way around an X-Ray. Is she a future doctor in the making?

It's Alex's turn to take a trip out of town for a medical conference.

Meredith interrupts while Nathan bonds with his tiny human patient.

Nathan's next case may involve saving this little cutie.

Mer and Nathan are on a case together and have a friendly debate on how to handle it.

Alex is professionally dressed with luggage in hand. What will Alex find out at this medical conference?

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Grey's Anatomy Photo Preview: Mer, Riggs, and a Kid Makes Three - TV Fanatic