Adventures in Wonderland (1992)

S1E38 Bubble Trouble

To save money at the palace, the Queen decides to stop the delivery of bottled water and instead uses Wonderland’s underground spring. The White Rabbit, who has just been made the water monitor, uses a book he got from the Caterpillar to ensure the residents don’t dirty the spring. However, the Queen eventually forgets her own advice and contaminates the spring, leading her to realize the importance of leading by example.