Awww, Jackson Avery (Jesse Williams) is all grown up!

In this sneak peek of Grey's Anatomy Season 9, Episode 11: "The End Is the Beginning Is the End" (January 17), the hot doc faces off with Arizona (Jessica Capshaw) over a medical decision, and he refuses to back down even when she argues against his plan.

Will his choice end up being the right one?

Credit: ABC © 2013 Disney ABC Television Group via YouTube Photo: Preview Clip of Grey's Anatomy Season 9, Episode 11: Jackson vs. Arizona (VIDEO)

For more Grey’s spoilers, click here.

Catch the next new episode of Grey’s Anatomy on Thursday, January 17, 2013, at 9 p.m. ET/PT on ABC.