There will also be special screenings from The Secret Circle and Person of Interest.
Warner Bros Television has announced its panels and screenings for the pop-culture event, which is on from March 16 to 18 at Anaheim Convention Centre in Anaheim, California. The usual venue, San Francisco's Moscone Centre, is undergoing renovations.
The Wbtv line-up kicks off on the big screen on Friday, March 16, with an exclusive advance screening of a never-before-seen episode of The Secret Circle and an 'explosive' episode of Person of Interest.
The Secret Circle, from executive producer Kevin Williamson (The Vampire Diaries) and based on the books by L.J. Smith (The Vampire Diaries), chronicles the story of a young