Rubbadubbers - Series 3 - Reg in Squareworld

Pre-school animated series which follows the exploits of a group of bath toys whose lively minds take them on incredible journeys. Everyone admires Reg's drawing of a house, but can't understand why the sun isn't round. It is because Reg just can't draw circles! Reg finds himself in Squareworld where everything is square, and circles are illegal. Reg soon finds that circles are very useful. When he uses round wheels to get to a contest on time, he finds himself in trouble with the Circle Police.