A comment left by writer Stephen Volk on the official Ghostwatch: Behind the Curtains homepage claims that British illusionist Derren Brown once told him that the film had at least partially inspired his similarly controversial "TV hoax" Séance [REF].
In the Doctor Who episode "Army of Ghosts" (2006), "ghosts" were regularly appearing all over the planet, and a programme called Ghostwatch was presented by Alistair Appleton.