The Duke of Comic-Con, Nathan Fillion, joined Candace Bailey and John Barrowman on the Comic-Con 2012 Live stage to discuss the 10th anniversary of Firefly, season five of Castle, voicing The Green Lantern in Robot Chicken's DC Comics special, and the 8 million other projects he's working on. Aside from that, he really managed to charm John Barrowman. Check it out below.



