Sherlock Holmes and the Adventure of the Blue Box (Wholock)

When a mysterious blue box begins to appear all over London, the world's only consulting criminal is on the case. Once Sherlock meets the Doctor, a time-traveling alien, he begins to see that there is more to this mystery than meets the eye. Can Sherlock solve a murder on a completely different planet that not even the clever Doctor can figure out? And can Sherlock crack the even bigger mystery underneath?