Wondering how Alex will react when his younger brother Aaron (CRASH’s Jake McLaughlin) shows up at Seattle Grace-Mercy West on the upcoming April 1st episode of GREY’S ANATOMY? Well, wonder no more! Because theTVaddict.com has just obtained a sneak peek, and as you’ll soon see, things don’t go well. Tempers will flair, fists will fly, and secrets from Alex’s closely guarded past will finally be revealed. But don’t take our word for it, check it out for yourself after the jump. 
Photo Credits: Ron Tom/ABC