The BBC recently shared the prequel episode and story for Doctor fans to watch before they see the Day of the The Doctor which is the 50th anniversary episode of Doctor Who. You can watch the full episode below featuring the 8th Doctor Paul McGann reprise his role for the series.
Want more Doctor Who?
You can check out the full trailer for the Day of the Doctor right here
The Day of the Doctor will air on the 23rd of November 2013, check your local TV guide for episode air times in your region