XPost: rec.arts.startrek.fandom, rec.arts.startrek.misc, rec.arts.tv
XPost: can.arts.sf
Ai/LLM reviews of Star Trek All our Yesterdays
ChatGPt
**Star Trek – “All Our Yesterdays”** [Transcript](
http://www.chakoteya.net/StarTrek/78.htm)
**Rating: 87/100**
---
**Review:**
“All Our Yesterdays” is a standout near the end
of *Star Trek: The Original Series*, rich with
science fiction intrigue, character exploration,
and a poignant emotional core — especially
for Mr. Spock.
The Enterprise arrives at the planet
**Sarpeidon**, whose sun is about to go
nova. To their surprise, the population has
vanished — seemingly disappeared into the past
via a time travel machine called the **Atavachron**,
operated by the mysterious librarian **Mr. Atoz**.
When Kirk, Spock, and McCoy investigate, they’re
each accidentally hurled into different
historical periods.
Kirk lands in a sword-and-candle era that
resembles 17th-century Europe, while Spock
and McCoy find themselves trapped in a harsh
ice age — and this is where the story becomes
truly compelling. There, they meet **Zarabeth**,
a tragic and beautiful exile. As the cold
presses in, Spock begins to regress to his
primitive Vulcan roots — emotionally raw,
impulsive, and eventually…