Teachers is a British television comedy-drama series, created by Tim Loane and originally shown on Channel 4. The series follows a group of secondary school teachers in their daily lives. While the first series centers heavily around probationary teacher Simon Casey, later series have a more balanced ensemble approach. The cast changes dramatically over time, with few original characters remaining by the fourth series. While some of these disappearances are explained, others happen between series without explanation. The first three series are set in the fictional Summerdown Comprehensive, which merges with another school in the fourth series to form Wattkins School. The first three series were filmed at the former Merrywood school, while the fourth was filmed at the former Lockleaze school in Bristol, England. Teachers was nominated for six BAFTA awards between 2002 and 2004, and was nominated for Best Comedy Drama at the British Comedy Awards in 2003. In January 2005, after a muted reception to the fourth series, Channel 4 announced that Teachers would not continue for a fifth series. A short-lived U.S. version was aired in 2006.