Star Trek: Discovery is an American web television series created for CBS All Access by Bryan Fuller and Alex Kurtzman. It is the first series developed specifically for that service, and the first Star Trek series since Star Trek: Enterprise concluded in 2005. Beginning roughly a decade before the events of the original Star Trek series and separate from the timeline of the concurrently produced feature films, Discovery follows the crew of the USS Discovery on various adventures.
Sonequa Martin-Green stars as Michael Burnham, a science specialist on the Discovery. Doug Jones, Shazad Latif, Anthony Rapp, Mary Wiseman, and Wilson Cruz also star. They are joined by Jason Isaacs for the first season and Anson Mount for the second. The series was announced in November 2015, with Fuller joining as showrunner and wanting to make an anthology series. CBS wanted a single, serialized show first, with an idea for a prequel to the original series developed. After further disagreements with CBS, Fuller left the series in October 2016, replaced as showrunner by Gretchen J. Berg and Aaron Harberts for the first season, with producing support from Akiva Goldsman. Goldsman did not return after the first season, while Berg and Harberts were fired by CBS during production on the second; Kurtzman took over as sole showrunner, and was joined by Michelle Paradise for the third.
Star Trek: Discovery premiered on September 19, 2017, at ArcLight Hollywood, before debuting on CBS and CBS All Access on September 24. The rest of the 15-episode first season was streamed weekly on All Access. The series' release led to record subscriptions for All Access, and positive reviews from critics who highlighted Martin-Green's performance. A 14-episode second season was ordered in October 2017, and was released from January 17 to April 18, 2019. A third season was ordered in February 2019. The series was the beginning of a wider expansion of the Star Trek franchise by CBS and Kurtzman, leading to multiple other series being produced including the direct spin-off Star Trek: Short Treks.