Lost in Space
S01E19 Ghost in Space
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.
Season 1 Episodes
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2
3
4
5
6
7
8
9
10
11
12
13
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15
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19
20
21
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The Reluctant Stowaway
The Derelict
Island in the Sky
There Were Giants in the Earth
The Hungry Sea
Welcome Stranger
My Friend, Mr. Nobody
Invaders from the Fifth Dimension
The Oasis
The Sky Is Falling
Wish Upon a Star
The Raft
One of Our Dogs Is Missing
Attack of the Monster Plants
Return from Outer Space
The Keeper (1)
The Keeper (2)
The Sky Pirate
Ghost in Space
War of the Robots
The Magic Mirror
The Challenge
The Space Trader
His Majesty Smith
The Space Croppers
All That Glitters
The Lost Civilization
A Change of Space
Follow the Leader