Here is the video panel from Emerald City Comicon



Some scoops from the panel:
 

• No more Summer on Grey's Anatomy. At least not this season.
• Summer will make another guest appearance on Syfy's "Alphas". Also, she said the tattoos she had on were fake.
• "Scent of the Missing" has not been picked up yet.
• Summer revealed she auditioned for a part in "Black Swan", but then, the character got cut in the pre-production stages.
• If TSCC had been renewed for season 3 Summer would have played Allison mostly and Cameron in flashbacks
• Summer also confirmed that she has a new fanmail address

Screencaps from the video:

Interviews > 2012 > Emerald City Comicon Video Panel

Pictures from the panel and the event:

Public Events > 2012 > Emerald City Comicon