Episode Information
About this episode
What's Past Is Prologue is season 1, episode 13 of Star Trek: Discovery, first aired on 28 January 2018.
In series order, the previous episode is S01E12 — Vaulting Ambition and the next is S01E14 — The War Without, The War Within. The same episodes are previous and next by original air date.
Browse every episode in Season 1.
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