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 60th's Supersonic Trailer is Here! Full Analysis - Blogtor Who

Doctor Who: Neil Patrick Harris in absolutely terrifying transformation for Bristol filming

Devious Doctor Who Theory Connects David Tennant & Ncuti Gatwa Villains - IMDb

Doctor Who 60th anniversary special: News, cast and release date

Doctor Who: Neil Patrick Harris Cast As Villain For 60th Anniversary Show - The Illuminerdi

Neil Patrick Harris Battles David Tennant In New Doctor Who Anniversary Trailer

Neil Patrick Harris 'will play villain The Toymaker' in Doctor Who's 60th anniversary special

The Star Beast The Doctor Who Forum

David Tennant spotted filming Doctor Who in Bristol

Doctor Who special The Giggle: Air time, cast and plot for final 60th anniversary episode

Doctor Who: The Giggle Ends Current Era with Endless Possibilities