Throughout the two series, the plot centres on the ambiguity concerning Tyler's predicament and the lack of clarity, to both the audience and the character, whether he has died, gone mad, become comatose, or actually travelled back in time [REF].
The programme was originally conceived in 1998, when screenwriters Matthew Graham and Ashley Pharoah were sent on a break to the English seaside resort of Blackpool by Kudos Film & Television to think up programme ideas [REF].