Each month the BFI will screen an iconic episode of Doctor Who for each Doctor, starting with William Hartnell and An Unearthly Child, then going on to Patrick Troughton and The Tomb of The Cybermen, a special advance screening of the colourised version of The Mind of Evil for Jon Pertwee. These three are the only ones announced thus far, but a story per Doctor is expected each month.
Also! The BFI are planning a very special Preview screening of the inception of Doctor Who Drama: An Adventure in Space and Time penned by Mark Gatiss.
An Unearthly Child Saturday January 12th 15:30pm
The Tomb of the Cybermen Saturday February 9th 14:30pm
The Mind of Evil (Recolourised) - March - Date and time TBC
An Adventure In Space and Time - November - Date and time TBC
All in all it's shaping up to be a very exciting 50th Anniversary.