Doctor Who / Harry Potter / Torchwood

Out of Time[R]one-shot
Halloween and other holidays have mixed associations for the Doctor and his travelling companions.
Twelve/Harry/Jack, Harry/Ron/Hermione, [Nine/]Rose/Jack
Doctor Who (season 4); Harry Potter (Deathly Hallows EWE); Torchwood (season 2)

Somewhere In Time[R]one-shot
Harry reflects after leaving the nightclub.  Sequel to Out of Time.
Twelve/Harry/Jack
Doctor Who (season 4); Harry Potter (Deathly Hallows EWE); Torchwood (season 2)