The Blobs - Hats Off For Grumbly Green (1997)

Grumbly Green is the grumbliest blob in Paintbox Land. But one day, Grumbly Green starts to feel very hot from the sun and decides that He'll buy a sun hat for Himself. And soon, Grumbly Green finds a hat shop which is managed by Fizzy Orange. However, none of the hats seem to be right for Grumbly Green and he eventually decides to leave.

Will Grumbly Green ever be able to find a suitable hat to wear?