Cardcaptor Sakura is the first anime I watched and I loved it.
I noticed that the other review talked about art and the story so I will describe the characters
Sakura Kinomoto - a fun loving atheletic girl who gains her powers from opening a book from her basement
Shaoran Li - comes to japan two months after the seal of the book of clow cards is realeased and later has a crush on Sakura
Tomoyo Daidoji - Sakura's best friend daughter of the president of a toy company and her hobby is taking videos of sakura
Keroberos - Gusrdian beast of the seal Sakura woke him when she broke the seal from the book of clow cards also loves sweets
Mei-Ling Li - Shaoran's cousin and FIANCE since they were young came to tomoeda to see Shaoran and stayed
Touya Kinomoto - Sakura's big brother/bully has special powers but gave them to Yue so he could live
Yue - The other guardian of the clow cards and the true form of Yukito also the judge
Yukito - Fals form of Yue and best friend of Touya
Fujitaka Kinomoto - Father of Sakura
Nadeshko Kinomoto - Married Fujitaka when she was 16 died 3 year after Sakura was born
Sonomi Daidoji - Tomoyo's mother and Nadeshko's cousin also president of toy company
Clow Reed - Creator of the clow cards
Eriol Hirigizawa - Clow reborn
Spinel Sun/Suppi - Clow's companian
Ruby Moon/Nakura Aikizuki - Clow's companian
Yamazaki - Liar and Chiharu's crush
Chiharu - Sakura's classmate
Rika - Sakura's classmate
Naoka - Sakura's classmate love ghosts