The Office is an American television sitcom that aired on NBC from March 24, 2005, to May 16, 2013, lasting nine seasons. It is an adaptation of the original BBC series of the same name and was adapted for American television by Greg Daniels, a veteran writer for Saturday Night Live, King of the Hill, and The Simpsons. It was co-produced by Daniels's Deedle-Dee Productions, and Reveille Productions, in association with Universal Television. The original executive producers were Greg Daniels, Howard Klein, Ben Silverman, Ricky Gervais, and Stephen Merchant, with numerous others being promoted in later seasons.