The evolution of Alex Karev has been a sight to behold. In the first sneak preview of next week's Grey's Anatomy, "Shiny Happy People," his bedside manner is on display again.

As we discussed in our Grey's Anatomy Round Table from last night, the way he connected with the obese patient and helped him turn his life around was pretty compelling.

Next week, guest star Demi Lovato plays a patient so disturbed, she literally tries to claw her eyes out. Who steps up and gets through to her when no one else can?

You guessed it, Alex. Check out the clip and comment below ...

[video url="http://www.tvfanatic.com/videos/shiny-happy-people-sneak-preview-1/" title="Shiny Happy People Sneak Preview #1"] [/video]

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.