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.

Starring:

Sonequa Martin-Green, Anson Mount, Doug Jones, Anthony Rapp, Mary Wiseman, Emily Coutts, Shazad Latif

Genre:

Adventure, Sci-Fi