Original air date: 01/17/2019 Runtime: 61:32 min. Season premiere. After answering a distress signal from the U.S.S. Enterprise, the U.S.S. Discovery welcomes aboard Captain Christopher Pike (Anson Mount) and begins a new mission to investigate the meaning behind seven mysterious red signals. Michael Burnham grapples with her past growing up on Vulcan with her foster parents and brother Spock.
Original air date: 01/24/2019 Runtime: 44:09 min. A new signal appears, prompting Stamets' emotional return to the mycelial network and leading Burnham, Pike and Owosekun to a pre-warp planet, where they face a complex ethical dilemma. Tilly's overeagerness lands her in trouble but when the planet - and Discovery's landing party - are threatened, her curiosity may be the one thing that can save them.
Original air date: 01/31/2019 Runtime: 49:55 min. A surprise visitor to the U.S.S. Discovery brings shocking news about Spock and dredges up past regrets for Burnham. Following the asteroid incident, Tilly struggles to keep a grip on her reality. L'Rell's authority on Qo'noS is threatened.
Original air date: 02/07/2019 Runtime: 51:47 min. A mysterious sphere threatens the U.S.S. Discovery even as May, in her original form, implements a plan that puts Tilly's life in danger. Saru and Burnham's bond grows when Saru is forced to acknowledge a deeply unsettling Kelpien truth. Pike receives new intel on Spock from a loyal friend.
Original air date: 02/14/2019 Runtime: 52:28 min. Burnham and the crew navigate a dangerous alien landscape in a race against time to save Tilly's life, but Stamets is not at all prepared for what they find in the process. Section 31 is assigned to help track down Spock, much to Pike's dismay.
Original air date: 02/21/2019 Runtime: 56:20 min. When a new signal appears over Saru's home planet, Burnham, Saru and the crew embark on a perilous mission that puts Saru in danger and raises questions about the Red Angel's intentions. Hugh struggles to come to terms with his new reality.
Original air date: 03/07/2019 Runtime: 54:51 min. Spock and Burnham head to Talos IV, where the process of healing Spock forces the siblings to confront their troubled past. Stamets desperately tries to reconnect with an increasingly disconnected Hugh, while Tyler struggles to shed the crew's suspicions of him due to his past as Voq.
Original air date: 04/18/2019 Runtime: 64:50 min. Season two finale. The U.S.S. Discovery battles against Control in a fight not only for their lives but for the future, with a little help from some unexpected friends. Spock and Burnham discern vital new connections between the red signals while Burnham faces one of life's harshest truths: the right decisions are often the hardest to make.
Original air date: 12/06/2018 Runtime: 15:02 min. Before he was the first Kelpien to join Starfleet, Saru (Doug Jones) lived a simple life on his home planet of Kaminar with his father and sister. Young Saru, full of ingenuity and a level of curiosity uncommon among his people, yearns to find out what lies beyond his village, leading him on an unexpected path.