The Dreamstone (1990)

S4E7 Little Urpip

Urpgor's niece, Urpip, makes her entrance, and her uncle quickly enlists her in a cunning plan to infiltrate the Land of Dreams with his newly crafted Noop suit. However, Urpip has her own agenda and decides to seize the Dreamstone for herself. She escapes in one of Urpgor's submarines, cleverly disguised as a Noop. Her antics create chaos, proving to be a challenge even for the genuine Noops to handle.