Karen Gillan and Arthur Darvill look at all the traveling they've done on "Doctor Who" more as a holiday than anything else. But this coming week will not be very happy for the couple as fans say goodbye to their characters of Amy and Rory on the popular BBC show. What can fans expect? See what Karen and Arthur reveal to Michael Hinman and Cox Media's Mike Raub. San Diego Comic-Con coverage is brought to you exclusively by Roddenberry.com.