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 first half of the fifth season premiered on January 26, 2020.[14] The second half of the fifth season premiered August 16, 2020.[15] The sixth season premiered on January 10, 2021.[16] The seventh season premiered on March 6, 2022.[17] The second half of the seventh season premiered on September 25, 2022.[18] The eighth and final season premiered on February 26, 2023.[19]
On November 7, 2023, it was announced the series would come to an end after eight seasons, with the final episode airing on November 12, 2023.[20]
^Heilemann, John (October 13, 2019). "@jheil John Heilemann on Twitter: "#Superstar… "". Twitter. Archived from the original on October 13, 2019. Retrieved August 21, 2020. @jheil Retweeted @jmpalmieri Friends, I had the pleasure of being a guest host on @SHO_TheCircus this week. So impressed with talent & professionalism of entire team. Minor miracle that they pull off this high quality show week after week. Tune in tonight at 8 pm to see me & @jheil w/ @CoryBooker in DSM. pic.twitter.com/jm4dJzcYU2