Teletubbies - Season 3 Episode 252 Colours - Yellow
Overview: Tinky Winky listens to a Voice Trumpet say "Yellow". And then a cloud appeared and turned sunny yellow. The Windmill starting spinning and the cloud disappeared. Laa Laa and the other Teletubbies watch some children learn about the colour yellow. In Teletubbyland, the clouds appears, and they turn into sheep and came to down below before they wonder off.