We were playing with a friend's mitten last night (not a lot else to do here), doing a ventriloquist act with it. Then realised it looked like ... we weren't sure, something we remembered from our childhood. There was a TV programme in the 1970s with an animal (dog?) made out of a sock. And it talked in a funny voice. (Well, you would if you talked through a sock).
What was the programme? and who was the ... dog(?)