When Lieutenant Junior Grade Tormolen brings aboard an infection that killed the science team on Psi 2000, the crew of the Enterprise soon find themselves unable to control their most pre-dominant emotions. Soon the entire starship is in a shambles and plummeting toward the self destructing planet. Written by
The TV Archaeologist
Did You Know?
This episode features the first reference to bulkheads in Star Trek. See more
In the remastered edition, the planet rotates in one direction at the very beginning, but then rotates the other way for the rest of the show. See more
You know what Joe's mistake was? He wasn't born an Irishman.
Referenced in Red Dwarf: Back to Reality
Theme From Star Trek
Written by Alexander Courage See more