Lost in Space - Season 1 Episode 19
Dr. Smith holds a seance to contact his Uncle Thaddeus. Instead a spirit creature is contacted and creates havoc for the Robinsons. It is later discovered that the ""spirit creature"" is a physical creature, rendered invisible by the properties of the ""ionized gas"" in the bog from which it came.
- Zhanri: Sci-Fi & Fantasy, Comedy
- Studio: CBS
- Fjalen: spacecraft, future, space, alien planet, anxious
- Cast: Guy Williams, June Lockhart, Mark Goddard, Marta Kristen, Angela Cartwright, Bill Mumy