A family's space colony mission turns deadly when an unexpected passenger's presence causes the ship to deviate from its course, forcing them into a fight for survival.
In 1997, a desperate attempt to solve Earth's overpopulation crisis sends the Robinson family and Major Don West on a treacherous journey to the Alpha Centauri star system.
Aired: Sep 15, 1965The Jupiter 2's launch is imminent, but a sinister presence among the crew po...
Aired: Sep 22, 1965The spaceship Jupiter 2 finds itself ensnared in a colossal, foreboding vesse...
Aired: Sep 29, 1965A spacewalk by Doctor Robinson takes an unexpected turn when he's suddenly su...
4. There Were Giants in the Earth
Aired: Oct 6, 1965As their planet's orbit teeters on the brink of disaster, the Robinson family...
Aired: Oct 13, 1965A devastating heatwave threatens the Robinsons as the planet's temperature dr...
Aired: Oct 20, 1965A lone space traveler from Earth crash-lands on a distant planet, only to fin...
Aired: Oct 27, 1965Penny's adventure takes an unexpected twist as she discovers a mysterious cav...
8. Invaders from the Fifth Dimension
Aired: Nov 2, 1965Macabre aliens seek a humanoid brain upgrade, capturing Smith in the process,...
Aired: Nov 9, 1965In the next episode, a seemingly ordinary snack has an unexpected consequence...
Aired: Nov 16, 1965A small, crab-like robot signals the arrival of a Tauron family, sparking a d...
Aired: Nov 23, 1965A mysterious device capable of granting wishes is discovered by the Robinsons...
Aired: Nov 30, 1965The Robinson family faces a desperate situation when Will's experiments unexp...
13. One of Our Dogs Is Missing
Aired: Dec 7, 1965As the men venture on a perilous mission, the Robinson women find themselves ...
14. Attack of the Monster Plants
Aired: Dec 14, 1965Exiled from camp, Dr. Smith discovers extraordinary alien plants capable of d...
Aired: Dec 28, 1965Will lands in Vermont's Hatfield Four Corners, seeking assistance after using...
Aired: Jan 11, 1966A mysterious figure, The Keeper, travels the galaxy to collect rare animal pa...
Aired: Jan 18, 1966A sudden release of animals on the Robinsons' planet creates a dire situation...
Aired: Jan 25, 1966Captain Alonzo P. Tucker, a space buccaneer with a charming facade, conceals ...
Aired: Feb 1, 1966A desperate Doctor Smith attempts to mend his fractured bond with his distant...
Aired: Feb 8, 1966The Robinsons' repair of a malfunctioning robot takes an unexpected turn when...
Aired: Feb 15, 1966In the next episode, Penny discovers a mysterious mirror that transports her ...
Aired: Mar 1, 1966Two human opponents clash with an extraterrestrial duo in a brutal, winner-ta...
Aired: Mar 8, 1966The Robinsons' food supply hangs in the balance when Doctor Smith makes a dra...
Aired: Mar 15, 1966The euphoria of Doctor Smith's new role as leader of an alien civilization is...
Aired: Mar 29, 1966A peculiar group of space dwellers with their own unique customs is encounter...
Aired: Apr 5, 1966A ring imbued with the power to transmute any object into pure platinum spark...
Aired: Apr 12, 1966A princess, previously dormant, is brought back to life by Will's actions, se...
Aired: Apr 19, 1966Their adventure takes a surprising turn when they stumble upon an enigmatic s...
Aired: Apr 27, 1966John's body is possessed by a malevolent entity, driving the Jupiter 2 toward...
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