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First Season Episodes - The Oasis (episode 9)


The Robinsons find a new source of moisture in the form of a strange fruit, which when consumed causes violent and rapid growth.

John Robinson frees Don from the boulder which has pinned him to the ground during an earthquake. After dressing his injuries, the two men set out to solve the party's dangerous water shortage. Water rations are meager and all except one of the fuel cells in the water- conversion unit are corroded. After discovering that the water supply has dropped drastically overnight, John and Don are stunned and enraged to find the reason: Smith is taking showers. 

It becomes imperative for the group to find a new source of water, and everyone joins the expedition in search of an underground lake. Smith succumbs to the scorching heat and returns to the ship as the others travel on. Sometime later, Debby the Bloop discovers succulent fruit that bears water. The Robinsons gather up some of the fruit and carry them back to the ship for tests to determine if they are safe to eat. 

Smith, meanwhile, wanders in and, spying the fruit, proceeds to gorge himself. When Maureen tells him that they do not yet know if they are edible, Smith accuses them of trying to poison him. Grabbing the only remaining fuel cell, he sneaks off into the dark to die. The next day, as John, Don and Will search for Smith, Penny discovers that Debby has grown to twice her size. In her bunk, they discover the rind of the fruit she has eaten. 

John, Don and Will have found Smith's location, and as he wakes nearby, he too is twice his size Will approaches to explain that the fruit was not poisonous but that it doubles one's size, as John implores him to return to the ship. But when he is asked where the fuel cell is, Smith rants that they do not care about him, only about the fuel cell. He drives the three men away. Later, Maureen convinces Smith to return to the ship with the fuel cell. A sudden rain restores the doctor and Debbie to their normal size. 

The next day, Smith is startled by a menacing alien object which moves towards him.

Filming

Cast
Professor John RobinsonGuy Williams
Maureen RobinsonJune Lockhart
Major Don WestMark Goddard
Judy RobinsonMarta Kristen
Penny RobinsonAngela Cartwright
Will RobinsonBilly Mumy
Dr. Zachary SmithJonathan Harris
RobotBob May
Voice of the RobotDick Tufeld
Production
Executive ProducerIrwin Allen
DirectorSutton Roley
WriterPeter Packer
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