When the BBCs veteran sci-fi franchise hired the largely unknown David Tennant to star, some worried that he couldnt live up to the franchise-reviving efforts of predecessor Christopher Eccleston. Happily, Tennants impish take on the time-travelling Doctor proved a hit.
He had even better chemistry with assistant Rose (Billie Piper) although, in the grand Time Lord tradition, love takes a back seat to threats old and new, from clockwork robots in 17th century France to cat nurses of the future.