The First is an American-British science fiction drama television series, about a team of astronauts who prepare to become the first humans to visit Mars. It was created by Beau Willimon and stars an ensemble cast including Sean Penn, Natascha McElhone, LisaGay Hamilton, Hannah Ware, Keiko Agena, Rey Lucas, James Ransone, Anna Jacoby-Heron, Brian Lee Franklin, Oded Fehr, Norbert Leo Butz, Annie Parisse, Melissa George, Jeannie Berlin, and Bill Camp.

The series, a co-production between American streaming service Hulu and British television network Channel 4, debuted on September 14, 2018, in the United States and on November 1, 2018 in the United Kingdom. On January 18, 2019, Hulu canceled the series after one season.