David Tennant 's first series as the doctor prove a worthy follow-up to Eccleston . geeky and manic , Tennant 's energetic doctor be quite possibly the most charismatic to date . Billie Piper return as Rose and together , they take on some new monster and old foe . every story 's a winner in this season , range from Daleks vs. cyber-men , to the return of k9 , to battle the Devil himself . while new viewer can easily pick up from here , this series will especially please fan of the old series . and do not forget , there be also a plethora of great special feature , most notably some fantastic delete scene .