R&E will close on the 28th December - see this thread. https://www.religionethics.co.uk/index.php?topic=22932.0#new
You learn something new everyday. Not that I ever thought about it but I would have assumed it had always been PG. I remember going to see it with my mum and brother when it was released. I would have been 7 or 8 at the time.