Doctor Who' trailer: Neil Patrick Harris is David Tennant's enemy

With the release of the new 'Doctor Who' trailer — starring Neil Patrick Harris as David Tennant's enemy — showrunner Russell T Davies promises plenty of upcoming surprises.

Doctor Who SPOILER: Neil Patrick Harris is pictured on set for the first time

The Doctor faces off with The Toymaker in new trailer for Doctor Who 60th anniversary special

Doctor Who At 60 Review – The Specials – Well Eye Never

Doctor Who” 60th Anniversary Specials Trailer is Here

Doctor Who trailer unveiled 60th anniversary specials titles ahead of Eurovision

Neil Patrick Harris Joins Doctor Who as the Doctor's 'Greatest Enemy' - 1breakingnews.com - video Dailymotion

Doctor Who SPOILER: Neil Patrick Harris is pictured on set for the first time

In Brief: Neil Patrick Harris helps 'Doctor Who' celebrate 60 years, and more

Doctor Who regenerates, with David Tennant returning after a twist in Jodie Whittaker's final episode. Here's what you need to know - ABC News

Doctor Who: Is Neil Patrick Harris' 60th Anniversary Role Really the Doctor's 'Greatest Enemy'?