The Rift first appears in the Doctor Who episode "The Unquiet Dead". This episode occurs in 1869, when the Gelth, gaseous humanoid organisms, pass through the Rift into a funeral parlour, where they can "possess" the corpses.
The Rift first appears in the Doctor Who episode "The Unquiet Dead". This episode takes place in 1869, when the Gelth, gaseous humanoid creatures, pass through the Rift into a funeral parlor, where they can "possess" corpses.