one of the thing that be hard for a show to do , even a long-running series , be to match the success and strong story element of the first season the second time around . but the cast and crew of `` Doctor who '' not only match the success of season one , but actually surpass it with the second season . David Tennant , take the TARDIS key from Christopher Eccleston , prove to be a fantastic successor to the role of the Doctor , bring a lot of humor and gravitas to the role , and be support by the equally-fantastic Billie Piper as he companion , Rose Tyler . couple with a brilliant support cast , strong storytelling , fantastic visual and strong music , this be a terrific season of the show . highlight include : `` the Christmas Invasion , '' David Tennant 's premiere episode ; `` Tooth and Claw , '' which bring werewolf into a story of alien after Queen Victoria ; `` School Reunion , '' which reunite the doctor with Sarah Jane Smith and k-9 ; `` the Girl in the Fireplace , '' a brilliant episode from the always-brilliant Steven Moffat ; the two-part `` the impossible Planet\/The Satan pit , '' which pit the doctor against the Devil himself ; and the two-part finale , `` Army of Ghosts\/Doomsday , '' which feature both a head-to-head battle between the Daleks and the Cybermen , and the exit of Rose as a companion in a final scene that will leave nobody with a dry eye . the dvd release of series two be also improve over the first . the picture quality be fantastic , and the audio , a problem with the previous set , be much improve . extra be fantastic , from David Tennant 's video diary to cut-down version of `` Doctor who Confidential . '' longtime fan and newcomer to the show will definitely want this set in they collection ! allons-y ! Program\/DVD Grade : a +