this be a classy second series of the `` new '' Doctor who with new boy David Tennant in the title role . he be a excellent doctor , well support by Billie Piper as Rose -lrb- they make a really good team -rrb- . the story line in this series be , in the main , superb -lrb- I particularly like ` the Satan pit ' -rrb- and feature first class special effect . some old friend make a welcome return too . I be glad to see that this series go from strength to strength - highly recommend and great entertainment !