Buster Keaton to have a comic slant. After Keaton's successful work with Arbuckle, Schenck gave him his own production unit, Buster Keaton Productions. He made a series of two-reel comedies, including "One Week" (1920), "The Playhouse" (1921), "Cops" (1922), and "The Electric House" (1922). Keaton then moved to full-length features. Keaton's writers included Clyde Bruckman, Joseph Mitchell, and Jean Havez, but the most ingenious gags were generally conceived by Keaton himself. Comedy director Leo McCarey, recalling the freewheeling days of making slapstick comedies, said, "All of us tried to steal each other's gagmen. But we had no luck with Keaton, because he
Buster Keaton Invader" (released in the United States as "An Old Spanish Custom" in 1936). Upon Keaton's return to Hollywood, he made a screen comeback in a series of 16 two-reel comedies for Educational Pictures. Most of these are simple visual comedies, with many of the gags supplied by Keaton himself, often recycling ideas from his family vaudeville act and his earlier films. The high point in the Educational series is "Grand Slam Opera", featuring Buster in his own screenplay as an amateur-hour contestant. When the series lapsed in 1937, Keaton returned to MGM as a gag writer, including the final three