Over the span of 60 years, The Doctor traveled the universe alongside different companions, however, there was one time a companion was recast. Romana famously stepped down from her role upon the ...

I am so happy to be back recording more adventures for the Ninth Doctor with Billie. “I don’t think my Doctor exists without ...

The Fourth Doctor's companion, Romana (above), was also from Gallifrey. When she parted company with the Doctor, K9 mark II remained with her in E-Space.Click on '8' to find out! Time Lords - True ...

Elizabeth Sladen made Sarah Jane Smith the quintessential Doctor Who companion and her appearances reflected the series' evolution.