Star Trek: Phase II
Paramount wrote episodes, cast new characters and began constructing an Enterprise for a television network that never launched.
Quick facts
- Existence state
- Never Born
- Peak stage
- full production started
- Research confidence
- high
- Last verified
What it was
A planned continuation of Star Trek created for Paramount's proposed fourth television network.
The series would have reunited most of the original crew, added new officers and used a redesigned Enterprise across a weekly science-fiction production.
Existence timeline
Paramount positions Star Trek as the anchor of a new network.
Writers complete a two-hour opening story and multiple episodes.
New performers are hired and Enterprise construction begins.
Paramount abandons the distribution scheme behind the series.
Sets, designs and story elements are redirected into The Motion Picture.
Why it ended
Paramount abandoned its network plan and transformed the television work into the feature film Star Trek: The Motion Picture.
Last confirmed trace
Scripts, test footage, costumes, models and unfinished sets survive in archives and private collections.
What it left behind
Several planned episodes and character ideas later resurfaced across Star Trek films and subsequent television series.
How we classified it
The proposed archive unit never reached ordinary public access in the form being documented.
The strongest verified milestone maps to full_production_started under Arrival Score V1.
Sources & verification
Last reviewed 2026-08-01. Sources are linked so readers can inspect the evidence directly.