Original: Pingwings, Pogles' Wood, Noggin the Nog, Ivor the Engine, Clangers and Bagpuss, were all made by Smallfilms, the company he set up with Peter Firmin, and were shown on the BBC between the 1950s and the 1980s, and on ITV from 1959 to the present day.
Simplified: They were all made by Smallfilms, the company he set up with Peter Firmin. They were shown on the BBC between the 1950s and the 1980s, and on ITV from 1959 to the present day.