261: The Psychic Circus
Lots of fun for the family, at the Greatest Show in the Galaxy!
When a junkmail robot invades the TARDIS, the Doctor gets led down an unnervingly familiar path. 
Meanwhile, space beatniks Kingpin and Juniper Berry just want to hitch rides and busk – until a greater purpose calls.
The Doctor’s past and Kingpin’s future are entangled by malevolent forces. The Psychic Circus is just beginning: it may lack clowns, but it already has a Master...