Chris and his co-hosts salute the new year with a one-hour review of the greatest and geekiest moments of 2011. Special guests Wil Wheaton (“Star Trek: The Next Generation,†“Stand By Meâ€), Nathan Fillion (“Firefly,†“Castleâ€) and stand-up comedian Kumail Nanjiani (“Franklin & Bashâ€) join in the nerd-eriffic year-end festivities, including the crowning of “Nerdist of the Year.†Also, Chris travels to London for interviews with David Tennant (“Doctor Who,†“Harry Potter and the Goblet of Fireâ€) and Simon Pegg (“Shaun of the Dead,†“Star Trek,†“Mission Impossibleâ€).