If You Had A Twin, But Didn't Realise...
Family Life11 mins ago
No best answer has yet been selected by Birchy. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.PMcG was known as Number 6, and the series produced the catchphrase "I am not a number, I am a free man"
I think (memory is failing with old age) that the bubble was called Rover, and it used to chase after and capture people who tried to escape from the village.
The whole thing was never explained, but in a previous separate series PMcG played a Secret Service operative who wanted out. The implication was that he was being held by the Government who were attempting to brainwash him and make him forget his previous life.