Ruby has a lightbulb moment and runs out in search of the Doctor - and finds that mysterious police box outside...
Subscribe to Doctor Who for more exclusive videos: http://bit.ly/SubscribeToDoctorWho

WATCH MORE:
Compilations: http://bit.ly/DWCompilations
Regenerations: http://bit.ly/DWRegenerations
Title Sequences: http://bit.ly/ALLTitleSequences

MORE ABOUT DOCTOR WHO:
Welcome to the Doctor Who Channel! Travel in the TARDIS with clips dating back to the Doctor's first incarnation in 1963, all the way through dozens of regenerations. Including behind-the-scenes footage, exclusive videos and our very own show Doctor Who: The Fan Show - this is the place to find all the best official clips.
#DoctorWho

This is a commercial channel from BBC Studios. Service information and feedback: https://www.bbcstudios.com/contact/co...