[Facts from IMDB]
1/35. During an interview, it was revealed that Sarah Jessica Parker and Kim Cattrall loathed each other since the first season. The relationship became even more strained when Parker was made producer; their on screen friendship was so well done that fans had no idea. This is why whenever the four women appeared at events, Parker and Cattrall were opposite each other. Both women felt it was “unprofessional” to bash each other during the series’ run.
2/35. There are only 8 Episodes in Season 5 due to Sarah Jessica Parker’s pregnancy.
3/35. Sarah Jessica Parker spent up to 18 hours a day in heels playing Carrie.
4/35. The medicine cabinet in Carrie’s apartment was first spied by Sarah Jessica Parker at a flea market shortly before filming began on the series. She and Matthew Broderick didn’t buy it but reconsidered. When they went back, the cabinet was already sold to “some TV show”. When she showed up for filming, the medicine cabinet was there.
5/35. Even when she was being shot from the waist up, Cattrall insisted on wearing heels. She said it made her feel more like Samantha.
6/35. Kim Cattrall turned down the role of Samantha Jones twice before being convinced by Darren Star’s boyfriend to give it a try and shoot the pilot episode.
7/35. The early episodes of the show had characters looking directly at the camera lens and commenting on the events in the story. This element was dropped in later episodes.