Zoey 101 (2005)

S3E9 Zoey's Balloon

In psychology class, Zoey and her friends are tasked with writing down a secret and attaching it to a balloon. Unfortunately, Zoey's balloon gets ensnared in a tree, leading to an unexpected discovery by a stranger who uncovers her secret. This individual starts to blackmail her, demanding that she complete a series of harsh tasks. As Zoey grapples with this dilemma, she is left to uncover the identity of her tormentor. Simultaneously, Stacey finds herself facing an avalanche of unfortunate events.