Star Trek: Discovery Season 4 Episode 4 – All Is Possible – Tilly and Adira lead a team of Starfleet Academy cadets on a training mission that takes a dangerous turn. Meanwhile, Burnham is pulled into tense negotiations on Ni’Var. – Stream Star Trek: Discovery Season 4 Episode 4 Online for Free – Watch Star Trek: Discovery Season 4 Full Episode 4 Free – OnionPlay Official