Those brutal bad boys, the Cybermen, have troubled the Doctor throughout time and space for centuries. David Tennant and other cast members share their thoughts on the mean, metal machines and talk through the greatest moments of these terrifying Doctor Who villains. Narrated by Jo Whiley.

A look at some of the best bits featuring Rose, the Londoner who won the Doctor's heart. David Tennant, Billie Piper and other cast members share their favourite Rose moments and explain what makes her such a memorable companion.