The Pingwings.

Pingwings was an animated black-and-white children's television series of 18 ten-minute episodes broadcast in the United Kingdom on ITV in 1961. It first aired on Southern Television. Created by Oliver Postgate and Peter Firmin of Smallfilms, it starred a family of penguin-like creatures who lived at the back of a barn on Berrydown Farm. The Pingwing characters were knitted by Firmin's wife Joan and the animation was achieved using the stop motion technique.