Continuity mistake: Near the end of the episode, when Rikki falls over after growing her tail, she falls forward. But, in the next shot, she is lying on the ground face up.
Continuity mistake: When Cleo is invited by Lewis to hang out, her book keeps changing position between cuts. When the camera faces Lewis, the orange end of the book faces left while the black end faces right. When the camera faces Cleo, it's reversed. (00:04:47)