Sakura, Shaoran, and the Invisible Threads
Sakura begins to wonder if the bizarre goings on are connected to Clow Reed's presence, though she is aware that Clow is long deceased. At recess, Rika shows everyone a teddy bear she made. Sakura decides to get her own teddy-bear-making kit at the craft store where she sees Eriol buying several spools of string. That night, Sakura and Kero once again sense Clow Reed's presence and meet up with Syaoran and Tomoyo.
Aired 28/09/1999EP 50 - Sakura, Shaoran, and the Invisible Threads

Cardcaptor Sakura
One day, Kinomoto Sakura, a 4th grader stumbles upon the mysterious book of Clow. Upon opening it and reading the name of The Windy aloud, Sakura scatters the cards to the winds. Sakura is elected and appointed by Keroberos, Guardian of the Cards to capture the remaining cards. With her friend Tomoyo and rival Syaoran, Sakura begins an adventure that will forever change her.