VIDEO: David Tennant & Billie Piper At Wizard World Comic Con Philadelphia On Doctor Who Companions
Last weekend Doctor Who stars David Tennant and Billie Piper appeared at Comic Con in Philadelphia, their first ever joint appearance in the USA.
Organisers Wizard World have now uploaded a clip from their joint panel which took place on Saturday morning and was streamed worldwide later on that day by CONtv. In the clip David and Billie respond to a question from an overwhelmed fan and David considers what he learned from his companions in Doctor Who.
Look back at all the photos and news from last week's Comic Con on our website.
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