When a psychologically disturbed member of the staff of the Tantalus penal colony, Dr. Marcus Van Gelder, manages to escape onto the Enterprise, Captain Kirk and Dr. Helen Noel beam down to the planet to see exactly what is going on there. The head of the prison is a renowned penologist, Dr. Tristan Adams, greatly admired for the advances he has made in treating criminals. While Dr. Noel can find no fault with Dr. Adams or the practices at the colony, Kirk isn't so sure. Mr. Spock must use the Vulcan mind meld on Van Gelder to get to the truth. Written by
Did You Know?
Lethe (Susanne Wasson
) was named after the river in Hades in Greek myth. Those condemned souls who drank from it, forgot their past lives. Explaining her blank, vegetative stare from neutralizer "treatment". See more
When Van Gelder reaches the Enterprise's bridge, he attacks and disables a security guard. McCoy is on the bridge at the time, but even after Van Gelder is subdued, he never so much as glances in the unconscious guard's direction. See more
[performing a mind meld
You begin to feel a strange euphoria... your body floats...
Dr. Simon van Gelder
Yes... I began to feel it.
Open your mind; we move together... our minds sharing the same thoughts...