Diff'rent Strokes (1978)

S03E17 The Magician (a.k.a.) It's Magic

Arnold attempts his renowned magic trick of vanishing, hoping to wow a magazine journalist and the special guest, Ed "Too Tall" Jones, a defensive end for the Dallas Cowboys. However, the stunt goes awry, leaving him precariously suspended with a daunting drop of nearly 30 floors beneath him.