Undone is a British science fiction comedy radio series based on the theme of parallel universes, written by and starring Ben Moor for BBC Radio 7.
In London, she encounters a man called Tankerton Slopes (Moor), who comes from an alternative version of London called "Undone" - the place "where the weirdness comes from."
Tankerton offers Edna a job of patrolling the gaps between the two cities, and trying to find Undoners hiding in London and send them, because if they stay too long London becomes too strange and reality may be destroyed.
[1] Undone was first broadcast as a pilot on 26 March 2006, entitled "Mind the Gaps"[2] The first full series, lasting four episodes, was broadcast between 3 and 6 October 2006.
[2] Series 2, which was six episodes long, was broadcast between 20 January and 24 February 2008.