sentences:  Harris had a background in CGI, having trained in 3D animation at Middlesex Polytechnic under Dr John Vince, and experience in playing out "live" graphics for current affairs programmes like "Newsnight" and "Panorama".Knightmare required real time CGI inserts and virtual lighting changes, door reveals and animated monsters in real time, within live action against blue screen using Ultimatte.Eventually, in early 1986, a 15-minute pilot under the name of "Dungeon Doom" was recorded.