Star Trek Season 1 Episode 9 - Dagger of the Mind

Airdate: 1966-Nov-03

Episode summary:

Enterprise stops at the Tantalus penal colony to deliver drugs and collect research materials. Except that the research materials box contains a dangerous madman, Simon van Gelder - the former director of the colony. Kirk and psychiatrist Helen Noel beam down to speak with Tristan Adams, to learn what happened to van Gelder. It seems Dr. van Gelder was the victim of a new device, a neural neutralizer. But was what happened really an accident, or something more sinister?

About Star Trek series:

The original Star Trek series focuses on the 23rd century adventures of Captain James T. Kirk and the U.S.S. Enterprise (NCC-1701), a powerful inte...Show more >