Marnette Patterson is the woman who played Christy Jenkins on Charmed.
Holly Marie Combs is doing a reality series called Off the Map with Shannen & Holly
Charmed - 1998 Payback's a Witch 8-12 is rated/received certificates of:
Hungary:12
Mexico:B
USA:TV-PG
Charmed - 1998 Something Wicca This Way Goes 7-22 is rated/received certificates of:
Hungary:12
Mexico:B
USA:TV-PG
Charmed - 1998 Hulkus Pocus 8-9 is rated/received certificates of:
Hungary:12
Mexico:B
USA:TV-PG
Charmed - 1998 All Hell Breaks Loose 3-22 is rated/received certificates of:
Hungary:12
Mexico:B
USA:TV-PG
Charmed - 1998 is rated/received certificates of:
Argentina:13
Australia:PG (some episodes)
Australia:M (some episodes)
Germany:12 (DVD rating) (season 1-7)
Germany:12 (TV rating) (all episodes)
Mexico:B
Netherlands:6
Netherlands:12 (TV rating)
Singapore:PG
South Korea:15
Sweden:15 (DVD rating) (Magic Box)
Sweden:11 (DVD rating) (season 7)
Sweden:15 (DVD rating) (seasons 1-6) (season 8)
UK:12
UK:PG
UK:15 (some episodes)
USA:TV-14
Venezuela:PG-13
The specifics are unknown, but it is believed that Prue (Dorthey) took Piper's place as she died at the end of season 3, but Prue traded her life for Piper's.