Dexter fans filed into Ballroom 20 at San Diego Comic-Con just hours ago, to get their first look at Season 7. Panel attendees were treated to the first two minutes of the Season 7 premiere, Episode 7.01: Are You...?, debuting Sunday, September 30 at 9 PM ET on Showtime. The season picks up immediately after the jaw-dropping Season 6 finale, Episode 6.12: This Is How the World Ends. How does Deb (Jennifer Carpenter) react to this shocking revelation about her brother Dexter (Michael C. Hall)? Take a look at the video to find out how Season 7 kicks off.