Close-Call Haircut: When Hollie accidentally threw the razor away when a frog jumped on her face, it shoot Coco's hair while it was in a ponytail, which also traumatizes Coco.
Hollie realizes the way she behaved towards Coco when she told her it was her birthday.
Coco also lampshades this when she realized being popular and center of attention made her nearly forget her friends, the challenge, and her friend's birthday.
Plot-Mandated Friendship Failure: Coco and Hollie, Who started bickering near the end of the episode before making up at the end... just in time for Both to take the teleportation.
Sanity Slippage: Hollie's sanity deteriorates when J.Z. lies to her about Coco not wanting to be her friend anymore.