When was the the docu-series 'The Circus' created?

The docu-series premiered on January 17, 2016, and focused on the 2016 U.S. presidential election, January to November. It was renewed for a second season, which premiered on March 19, 2017, and focused on President Trump's first 100 days.[4] It returned on April 15, 2018 for a third season, and focused on the mid-term elections, with CBS News anchor Alex Wagner stepping in as co-host to replace Mark Halperin, who was replaced on January 3, 2018,[5][6] by the show, after sexual harassment allegations.[7][8][9][5][6] Jennifer Palmieri joined as guest host beginning October 13, 2019, with season four episode twelve, Desperate Times, Desperate Measures, and joined as a permanent co-host in season 6.[10][11][12][13]

The Circus is an American television documentary series initially following the 2016 presidential race.