Doctor Who fans are in for a treat this Sunday, 23rd July 2017, a
preview of the Christmas episode will be shown at the San Diego
Comic-Con.
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Episode director Rachel Talalay has shed some more light on what fans can expect from the event, suggesting that the 'sneak-peak' will be comprised of a teaser trailer or fottage from the as yet unnamed special. And in more good news, Talalay suggested that the footage would be
released online after the panel – not always a guarantee at San Diego
Comic-con, as proven when the trailer from 2013 50th anniversary special The Day of the Doctor was withheld from non-attendees.