Supermarionation a puppet hand, suspended by wires, operating the controls of "Thunderbird 1". The term "Supermarionation" was not coined until during production of later episodes of "Supercar". As a result, "Four Feather Falls" is often omitted from lists of Supermarionation productions. Two feature films based upon "Thunderbirds" were also made with Supermarionation: "Thunderbirds Are Go" (1966) and "Thunderbird 6" (1968). Numerous episodes of "Thunderbirds", "Captain Scarlet", and other series were also edited together (sometimes with the addition of new narration) to form movie-length features for VHS release and TV syndication in the 1980s. "The Secret Service" was actually a hybrid of
The Wacky World of Tex Avery by Cree Summer) who tends to ruin his conquering plans. A play on the name Genghis Khan. Genghis is based on the lion from "Slap Happy Lion" (MGM 1947) with his voice modeled after Sean Connery and Khannie's mannerisms were influenced from Shirley Temple. The cartoon stars the brilliant caveman Ughbert Einstone (voiced by Ian James Corlett) who is the world's first inventor. He tries to teach the other cave people how to be civilized with his inventions. A play on the name Einstein. Loosely based on Tex Avery's "The First Bad Man" (1955 MGM). Pete (voiced by Ian James