I have always had a tremendous fascination with stop motion and the use of practical effects in film and television. This includes the quirky holiday films of Rankin Bass and of course the Medusa scene in the 1981 film, “Clash of the Titans”. Stop-motion animation made its first serious entry into the mainstream through the work of animator Willis O'Brien. The Lost World (1925), in which O'Brien mixed stop-motion dinosaurs with live actors, was a major hit, but it was his wor