Dunno on the Moon

Know-It-All Rushes to the Rescue (1x11)

Air date: Mar 26, 1999

Donut spots their rocket and comes to meet them. The Earthlings then set off toward Fool’s Island to rescue Dunno. They destroy the island — and with it, the factories owned by Spruts, which were all connected to the island in a single network, come to a halt.