Charlie Douglas

Milton Berle on laugh tracks recorded from the early days of Texaco Star Theater, created by Charlie Douglas

Carroll Pratt on working with sound engineer and laugh track creator Charles Douglas

Carroll Pratt on working with his mentor Charlie Douglas on various shows adding laugh track, and on working with producers

Carroll Pratt on how Charlie Douglas worked, and on competition in the laugh track industry

Carroll Pratt on leaving Charlie Douglas' company, and on striving to for a better quality laugh track

Jay Sandrich on the inventor Charlie Douglas and his laugh track machine, which was used on The Andy Griffith Show