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 Me”), Nathan Fillion (“Firefly,” “Castle”) and stand-up comedian Kumail Nanjiani (“Franklin & Bash”) 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 Fire”) and Simon Pegg (“Shaun of the Dead,” “Star Trek,” “Mission Impossible”).