CJ appears in the animated series as Freddie's Former friend and partner-in-crime on the Isle of the Lost. In her first four appearances, she is only slightly seen in the shadows, peeking from behind curtains and reaching her hand out from under a table, behind a chair and kicking. After Freddie fulfilled her end of the bargain and helped her escape the Island, she betrayed their arrangement by treating her as her servant instead of a partner. During the Neon Lights Ball, she sabotages the dance to rally the rest of the Villain Kids in a plot against Auradon, believing the villain children are destined to be better villains than their parents. When the VKs refuse to join her cause, CJ absconds on a magic carpet she stole from Jay and Carlos, though plots her return.
In "Celebration", CJ seemingly shows up uninvited and looked as if she was going to ruin the Jewel-Bilee. Instead, she encourages the VKs and AKs to get the show going, indicating that she might have decided to take a break from her evil-doing for the time being.