Saw this add in the tube and it immediately reminded me of Fraggle Rock - the 1980s childrens program about a clan of underground working muppets, called Fraggles.
I grew up on that show and it was a dedicated viewer.
I remember distinctly, the character Red, who was a good swimmer. I liked Red. I'm not sure why she was my favourite. Perhaps it was the athleticism. Red is just about all I really remember - and dreams. I'd like to rest my head alongside somebody else's sometime soon and share one...