Whoever is at the door has Meredith smiling. Could it be Nathan ready for some flirty banter?

Meredith considers her loyalties on Grey's Anatomy. "Catastrophe and the Cure" is the second episode of the show's 13th season.

Meredith tries not to flirt with Nathan, but she doesn't put much effort into it on Grey's Anatomy Season 13 Episode 3.

A difficult surgery brings back memories on Grey's Anatomy. "The Room Where It Happens" is the eighth episode of the show's 13th season.

Even though Meredith is back, April is still catching flack for taking Meredith's position. She and Meredith may be attempting to be professional, but no love is lost between the two.

Peak professionalism is being able to force yourself to smile politely when you're feeling anything but polite. Look at Meredith with that Wednesday Addams smile.

Alex pleads his case to Meredith regarding a patient that he and Nathan are sharing.

Meredith hears Alex out, but has a different opinion regarding their patient.

Meredith and April attempt to play nice on Meredith's first day back at the job.

If there is anyone who will call Meredith out on her behavior, it's Alex. The question is this regarding her feeling for Riggs on a personal level or a professional one?

Meredith is so done with the bickering boys and the demands to choose sides.

Alex seeks Meredith's opinion on a case that he is sharing with Riggs.