Seasons One and Two

Cardcaptor Sakura is about ten-year-old Kinomoto Sakura who comes upon a glowing book named "The Clow" and opens it. By doing so, she releases all of the Clow Cards and awakens its Guardian, Cerberus. He appoints her as the Cardcaptor, the one to recapture all the Clow Cards. Sakura is not alone in this adventure. Cerberus is always by her side to guide her, along with her friend, Daidouji Tomoyo, her rival, Li Syaoran, and his cousin, Li Meiling. Together, they go in search for the Cards of Clow while the final judgment looms closer to them each time.

Season Three

With eleven-year-old Kinomoto Sakura the new Mistress of the Cards, Cardcaptor Sakura encounters a new twist. A mysterious transfer student is using his powers to challenge Sakura's and makes her transform her Clow Cards into Sakura Cards. The changed Cards are placed under her power; the power of the Star. Again, accompanied by Cerberus, Daidouji Tomoyo, and Li Syaoran, Sakura must strive to face every challenge this new adversary presents her with.