Introducing Topps Doctor Who Extraterrestrial Encounters trading cards, featuring The Doctor's greatest journeys across the galaxy, meeting alien friends and foes! Look for 100 Base Character & Story Cards covering The Doctor's greatest adventures across space; four levels of inserts (The Doctors Across Space, Companions Across Space, Companions Across Space, 50 Years of the Cybermen and Alien Invasion!); Autographs from over 70 signers, with several autograph parallels to chase and one Ultra-Rare Quad Autograph Book Card; new Costume Pieces, including ultra-rare Dual and Signed cards; and more! 8 cards per pack, 24 packs per box.