SPECIAL EDITION: Saturn's moon has been revealed as never before by the European Space Agency's Huygens spacecraft. The Planetary Society lets you not just see but HEAR Titan, as we join the celebration. You'll also help explore Saturn in the imagination with Bill Nye the Science Guy, John Rhys-Davies and other special guests. Bruce Betts moderates a panel discussion, and presents a new What's Up! segment and Titanic trivia tournament.