Mister Rogers' Neighborhood (1968) : 8x8

Mister Rogers arrives with some magnets which he takes to the kitchen to show how they attract each other: "Magnets are hard to explain, but they're really fun to play with. Looking at one of the magnets which is shaped like a horseshoe, he mentions that Bob Trow is making a horseshoe game at the shop. At Bob Trow's workshop, Mister Rogers and Mr. Trow practice horseshoes on the new post Mr. Trow has made. In the Neighborhood of Make-Believe, King Friday and Prince Tuesday sees Ino A. Horse through a telescope.