Lost in Space S01E19 - Ghost in Space
Lost in Space (1965)
S01E19 Ghost in Space
Episode Overview
Dr. Smith organizes a séance in an attempt to reach his Uncle Thaddeus. However, the ritual inadvertently summons a spirit creature that wreaks havoc on the Robinsons. As chaos unfolds, they learn that the so-called "spirit" is actually a real creature made invisible due to the properties of the ionized gas from the bog it emerged from.