The Cube

I've enjoyed all three "Cube" movies: Cube, HyperCube and CubeZero. Now I've stumbled upon "The Cube", a 1960s forerunner to them all and created in 1969 by Jim Henson. "The Cube" is very different to any other work I've seen from Jim Henson and there are no muppets anywhere in the production. A strange piece of experimental television which somehow fits into the abstract psychology of the later "Cube" movies. Here, in it's entirety from Google Video is "The Cube" - and here also are the trailers for the three "Cube" movies - Oh, and as a bonus on the same theme, here's also Antonio Mercero's 1972 TV movie "La Cabina":