It is revealed that Patsy's sister, Jackie, was born in 1922. It is also stated that their mother gave birth to them when she was around fifty, meaning Patsy's mother was born in the 1870s.
Sweetie, what are you drinking?
Patsy: Oh, this? Chanel No. 5.
At the end of series four's credits, a clip of David Bowie singing "Ziggy Stardust" has been inserted.
From "The End":
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