There's more from the maker of this perfect combination of two of the BBC's best shows -- Sherlock and Doctor Who.
This time he's made a promo for the upcoming new season of Who starring Peter Capaldi as the new Doctor.
WHOLOCK - Sherlock meets The Doctor!
"Months after an encounter with a mysterious 'Doctor', Sherlock becomes obsessed with discovering more about this impossible man... until the man makes an unexpected return."
DOCTOR WHO New Season New Doctor Peter Capaldi Coming This August to BBC AMERICA
After this official teaser for season 8 of Doctor Who was revealed, fans were disappointed. It was only 15 seconds long and barely showed a silhouette of Peter Capaldi, our new Doctor!
Luckily, there was one man on the job to fix the fan freak out.
Doctor Who: Series 8 2014 - 'Rain' Trailer
As a response to a less than stellar first teaser from the BBC itself, Smith made "a stylized, narrative trailer" for the 8th series of Doctor Who, featuring the Twelfth Doctor and his companion Clara.
And this one is actually an exciting, stunning trailer for the new season.
Wholock - VFX Breakdown
And as a bonus, above is the visual effects break down for how John Smith actually makes his mash ups. Spoiler alert: It's incredibly impressive.