Zeta Reticuli IV was a planet, the fourth planet in the Zeta Reticuli binary star system in the galaxy's Beta Quadrant.
History and specifics[]
In the 24th century, a Federation outpost was located on Zeta Reticuli IV, which featured underground laboratories.
In 2375, while on Deep Space 9, Andrea M'Benga recalled having visited the outpost, and she was able to recall images of it, the details of which had been erased from her memory by Project Sign in 2374. (ST novel: Preserver)