Kat-Tastic Voyage is an episode from Season 2 on the show called Three Lionhearted Kats.
Sprucia and the rest are shrunken into microscopic size into Gilli's body to stop Draven and his minions from controlling her, while Arthur is trying to keep Gilli distracted.
Sprucia, Gilli, and Isaak are playing hide and seek. Gilli is set to find Sprucia and Isaak, something small in microsophic size heads into Gilli's left ear. By the presence of her ear, Gilli pauses and thought of something not right.
- This episode is referenced to the film Fantastic Voyage.