answers: 21
context: Ashley Zukerman joined the series in a recurring role as Peter MacLeish, an Afghan War veteran and popular third-term Congressman. In September 2016, Mykelti Williamson was cast as Admiral Chernow, a career military man and the Chairman of the Joint Chiefs of Staff. On November 4, 2016, it was announced that Mariana Klaveno had been cast for the show as the Dark-Haired Woman, a clandestine operator in league with the people behind the Capitol attack. For the second season, Paulo Costanzo, Zoe McLellan, and Ben Lawson joined the cast as series regulars, portraying White House Political Director Lyor Boone, White </s> ratings. Shortly after, eOne announced they were in "active discussions" with other networks to revive the show, including Netflix, which streams the series internationally. On September 5, 2018, it was confirmed that Netflix had picked up the series for a third season of 10 episodes, to be released in 2019. Neal Baer will serve as the series showrunner, the fifth person to do so. The first two seasons were produced by ABC Studios, The Mark Gordon Company, and eOne, with filming in Toronto, Ontario. For the third season, ABC Studios will not be involved with eOne (which had fully acquired </s> the Union, an explosion claims the lives of the President and everyone in the line of succession except for Secretary of Housing and Urban Development Thomas Kirkman, who had been named the designated survivor. Kirkman is immediately sworn in as President, unaware that the attack is just the beginning of what is to come. <onlyinclude></onlyinclude> "Designated Survivor" was ordered straight to series by ABC in December 2015, with a formal announcement of 13 episodes in May 2016. A month later, ABC revealed that the series would premiere on September 21, 2016. Eight days after the premiere, on September 29, 2016,
question: how many episodes in designated survivor season 1