Here is what the page “Star Trek: Enterprise Returns December 2026 with Mirror Universe NX-01 in Star Trek Online” contains. The Star Trek franchise is officially revisiting the Enterprise era in December 2026, bringing fresh updates and a long-awaited Mirror Universe twist to fans. The announcement confirms new content tied to Star Trek: Enterprise, the prequel series that explored the early days of Starfleet and Captain The announcement confirms new content tied to Star Trek: Enterprise, the prequel series that explored the early days of Starfleet and Captain Jonathan Archer's command of the NX-01.
While details remain limited, the update signals a renewed interest in the 22nd-century setting that first aired in 2001 and has since gained a dedicated following. The centerpiece of the reveal is the introduction of a Mirror Universe version of the NX-01 starship in Star Trek Online, the long-running free-to-play MMORPG developed by Cryptic Studios. The full version stays on the original page, which this listing opens directly.