Episode 39 - Why did Bungle put on pyjamas to go to bed but wandered about naked all day?

"Up above the streets and houses, rainbow's flying high, everyone can see it smiling, over the sky. Paint the whole world with a rainbow!"

Yes, this episode our intrepid socks have donned their rose tinted specs (or in Simon's case black and white tinted) and delved into the world of children's television of the past. 

What in the world was going on in that Rainbow house to make Bungle want to put clothes ON for bedtime?
Why is it that animal characters have historically been naked or semi-clothed?
Which TV characters (or real life ones) did our socks have a crush on as a child?
Why was Andy unable to swap his train on Noel Edmonds Swap Shop after Ross got hold of it?

All will be revealed!