VIDEO : Doctor Who Could Return Sooner Than Planned

The Radio Times reports a new episode of Doctor Who plans to air ?some time before series 12 hits screens.
According to iO9, the episode could possibly be in a festive slot like a New Year?s Day Special or a Christmas special.
The episode will be a standalone, rather than any particularly direct lead in to the new season.
The next season of Doctor Who is set to air sometime in 2020.