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Lost in Space

7.2/10 142 votes
Sci-Fi & FantasyComedy

The space family Robinson is sent on a five-year mission to find a new planet to colonise. The voyage is sabotaged time and again by an inept stowaway, Dr. Zachary Smith. The family's spaceship, Jupiter II, also carries a friendly robot who endures an endless stream of abuse from Dr. Smith, but is a trusted companion of young Will Robinson

Created by:
Irwin Allen
Cast:
Guy Williams, June Lockhart, Mark Goddard, Marta Kristen
Language:
English
Country:
United States of America
Network:
CBS

Episode guide

Seasons

4 available

Season 3

Episodes

Episode 1 selected
Still from Condemned of Space E01

Episode 1

★ 6.0

Condemned of Space

1967-09-06 · 60m

The beginning of the third season finds the Robinsons having to quickly leave the planet they are on, which is a similar plot to the beginning of the second season. Once in space, the robot is swept overboard and has to be rescued. Then the Robinsons find a prison ship filled with cryogenically preserved prisoners. The prisoners have been interred past their normal sentences due to a malfunctioning timepiece on the prison ship. Professor Robinson repairs the timepiece and frees the prisoners. Robby the Robot makes another appearance, threatening Professor Robinson and Major West.

Current episode
Still from Visit to a Hostile Planet E02

Episode 2

★ 7.0

Visit to a Hostile Planet

1967-09-13 · 60m

The Jupiter 2 and all aboard are caught in a space 'time-warp'! After everything seems to return to normal, they're shocked to find Earth within their reach and decide to return home. Though they're perplexed that they are unable to contact 'Alpha-Control', they decide to land in the 'good ole USA' ....only to find it's 1947! As usual, Dr. Smith causes issues & even considers staying behind when the Robinsons and West announce plans to leave.

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Still from Kidnapped in Space E03

Episode 3

★ 6.0

Kidnapped in Space

1967-09-09 · 60m

Dr. Smith answers a distress call from an alien space ship. He arrives there using the Space Pod, and discovers that the aliens want him to operate on (actually, repair), their leader. It turns out that the aliens are a race of some sort of robot that survive as long as their leader, who functions as their central control timepiece, is in working order. The Robinsons come to Smith's rescue in the Jupiter II. The leader is repaired by the robot, and the extended space family Robinson leave the alien space ship safely.

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Still from Hunter's Moon E04

Episode 4

★ 6.0

Hunter's Moon

1967-09-27 · 60m

In an episode reminiscent of the first season episode "The Challenge", Professor Robinson and the Robot land the Space Pod on a planet, and Professor Robinson kills an attacking monster, only to discover that he has interfered with a contest where a highly intelligent alien who aspires to rule his home planet is being judged on how well he hunts. The alien forces Professor Robinson to take the role of one of the hunted animals in the contest, allowing the Professor one weapon. The weapon has a defect that imperils Professor Robinson, but the Professor outwits the alien and survives the ordeal.

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Still from The Space Primevals E05

Episode 5

★ 6.0

The Space Primevals

1967-10-04 · 60m

The primitive beings are actually wards of a computer, Protinius, which can confer temporary advanced sentience on the leading man in order to communicate Protinius' will. The episode also features a temporary camaraderie between Don and Smith, a burying of the hatchet, when Don is rescued by Smith from a pit, and then says ""Doctor Smith"" - using the word Doctor for the first time unknown ages. However, their camaraderie dissolves and the characters are back to ""normal"". Not the first time Smith has become selfless and a man of some integrity, but as usual, Smith returns to normal.

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Still from Space Destructors E06

Episode 6

★ 6.0

Space Destructors

1967-10-11 · 60m

Dr. Smith and the Robot are exploring a cave. Smith pushes several buttons on a conspicuous control panel. The buttons activate a cyborg creating device. It up to Will to stop Dr. Smith.

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Still from The Haunted Lighthouse E07

Episode 7

★ 5.5

The Haunted Lighthouse

1967-10-18 · 60m

Before leaving their planet, the Robinsons meet a boy alien called J-5. They take him with them to return him to his home planet. They meet a strange ship, which turns out to be an earth ""lighthouse"" for lost ships. Thinking this ship will help them with extra fuel and star charts they celebrate, however when J-5 learns that they don't have enough fuel to take him home, he angrily sets about to destroy them all with a creation of his imagination. J-5 begins a new life at the lighthouse, and the Robinson's leave in the knowledge he will be looked after by the kindly, old lighthousekeeper.

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Still from Flight into the Future E08

Episode 8

★ 6.0

Flight into the Future

1967-10-25 · 60m

Dr. Smith, Will, and the Robot are accidentally launched in the Space Pod. They land on a planet that is controlled by an alien machine that creates illusions to confuse visitors and drive them away. The Jupiter II lands and rescues them, and the robot destroys the alien machine.

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Still from Collision of Planets E09

Episode 9

★ 4.0

Collision of Planets

1967-11-08 · 60m

The Robinson's come across a group of space hippies who are trying to destroy the planet the Robinson's currently inhabit. Up up to the Robinson's and Dr. Smith to stop them or they will all be doomed.

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Still from Space Creature E10

Episode 10

★ 6.0

Space Creature

1967-11-15 · 60m

A strange blue fog seems to be engulfing the Jupiter 2 periodically. Dr Smith and Will commment seperately that they want to be left alone. When the members of the Jupiter 2 begin to randomly disappear as the fog comes, Dr Smith thinks he is to blame. Eventually Will discovers a strange creature which takes over Dr Smith. The creature tells Will that he is his own Id. Will finds out his Id is a creature he created full of Will's own personal demons, thoughts, feelings and insecurities. Will defeats the creature by overcoming his ""fears"" and throws the powerless creature in the power core. The members of his family are returned.

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Still from Deadliest of the Species E11

Episode 11

★ 5.0

Deadliest of the Species

1967-11-22 · 60m

The Robinsons encounter two Aliens who are on a mission to seek and destroy an escaped Robot Prisoner, whom they believe to be hiding at the Jupiter Two. Meanwhile, the Robot meets and falls in love with this evil, female Robot. She tries to turn the Robot bad, but ultimately, is defeated by the Robot and the Robinsons, but not before wreaking havoc over the planet.

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Still from A Day at the Zoo E12

Episode 12

★ 5.0

A Day at the Zoo

1967-11-29 · 60m

A caveboy appears and attempts to lure Penny away, but she refuses, and is instead caught in a net. She is transported to an intergalactic zoo, were she will be puton show, meanwhile Dr. Smith tries to take over the zoo.

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Still from Two Weeks in Space E13

Episode 13

★ 5.0

Two Weeks in Space

1967-12-13 · 60m

Two aliens, who are actually intergalactic bank robbers, transform themselves into Earthlings. They revive a man named Zumdish who operates a tour agency and they pretend to be his clients. The Robinson's head off and Dr. Smith is left alone, Smith's decides to turn the ship into a hotel and doesn't realize how dangerous his guests are.

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Still from Castles in Space E14

Episode 14

★ 5.0

Castles in Space

1967-12-20 · 60m

The Robinsons take in a Princess who is fleeing from a bounty hunter. Will is captured by the bounty hunter, who wants to trade the boy for the princess. the robot then comes up with a idea to save the day.

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Still from The Anti-Matter Man E15

Episode 15

★ 5.0

The Anti-Matter Man

1967-12-27 · 60m

Professor Robinson is caught in a matter transfer emission ray, and subsequently ends up in another dimension where he is confronted by a version of himself and Don. However this realm is the opposite of his own dimension, the anti-matter world, where everything in reality is twisted. The evil John returns to the family and attempts to take over the Robinsons and take over John's life. Will he get away with it, or are Will and the Robot able to defeat him, and restore the world to it's natural order.

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Still from Target: Earth E16

Episode 16

★ 6.0

Target: Earth

1968-01-03 · 60m

The Space Pod lands on a planet that is inhabited by creatures who all look alike, and aspire to be different. They capture the Robinsons and make duplicates of them with the objective of using the duplicates to fly the Jupiter II back to Earth. Will is not duplicated, and he thwarts their plan.

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Still from Princess of Space E17

Episode 17

★ 5.0

Princess of Space

1968-01-10 · 60m

A crew led by Captain Kraspo is searching for the missing Princess Alpha. They bring Will aboard their ship who makes them think the Penny might be there princess, because of this the train Penny to be the future ruler of there planet.

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Still from Time Merchant E18

Episode 18

★ 5.0

Time Merchant

1968-01-17 · 60m

Will is conducting an experiment in a cave and captures a man who claims to be the man who controls time for the entire universe. This ""Time Merchant"" takes Will, Professor Robinson, Smith, and the Robot, to his secret lair. From there, Smith uses the Time Merchant's time machine to return himself to Earth on the day the Robinson's departed, with the objective of NOT sabotaging the Jupiter II mission and letting the Robinsons go on their way to Alpha Centauri. The Time Merchant then announces that if Smith does not get on the Jupiter II, the ship will not fly off course and will therefore be destroyed by a collision with an asteroid several months after liftoff. So Will is sent back to join Smith and try to convince him to get on the Jupiter II as he originally did.

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Still from The Promised Planet E19

Episode 19

★ 5.0

The Promised Planet

1968-01-24 · 60m

The Robot suddenly announces that the Jupiter II is approaching Alpha Centauri. Everyone is suprised, and the ship lands on a planet, where they are greeted by a group of people who appear to be teenagers from Earth. It turns out that they are aliens who live like Earth-style hippies, and they are incapable of growing old. They want to age normally, and to do this they want to get the older members of the Robinson party to leave in the Jupiter II while the younger members can stay behind and be used in an experiment that will make it possible for them to do so. The aliens trick the older members of the Robinson party into leaving, but Will pulls a fast one on the aliens and the Jupiter II eventually returns to the planet, and Penny, Will, and Dr. Smith, who somehow passed himself off as a young person, are rescued.

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Still from Fugitives in Space E20

Episode 20

★ 6.0

Fugitives in Space

1968-01-31 · 60m

Poor Don West is sent to a prison camp.....WITH Dr. Smith! Don and Dr Smith are installing some equiptment, when Dr Smith comes across and alien prison escapee. The priosoner alien makes Dr Smith change jackets and then runs away. When the prison guards catch up with Dr Smith and Don, they arrest them for aiding an escape of a prisoner.

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Still from Space Beauty E21

Episode 21

★ 4.0

Space Beauty

1968-02-14 · 60m

The galactic showman, Farnum B returns as the producer of the Miss Galaxy Beauty Pageant. They want to Judy to be in the contest, she doesn't want to but Dr. Smith for forges her name and the fun begins.

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Still from The Flaming Planet E22

Episode 22

★ 7.0

The Flaming Planet

1968-02-21 · 60m

Dr. Smith disposes of a plant that has grown out of control, but once outside the plant attaches itself to the Jupiter 2. The plant apparently believe that Dr. Smith is its mother, meanwhile the ship is attached by a brave space warrior.

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Still from The Great Vegetable Rebellion E23

Episode 23

★ 7.0

The Great Vegetable Rebellion

1968-02-28 · 60m

Doctor Smith uses the Space Pod to land on a planet that the Jupiter II is passing by. It turns out that the planet has evolved in such a way that plants are the highest form of life, and some of them are quite intelligent. One of these plants, a large carrot, captures Smith and tries to change him into a plant. The Jupiter II lands and the Robinsons and West come to Smith's rescue, only to be captured themselves. Eventually they thwart the plant creature and make their escape.

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Still from Junkyard in Space E24

Episode 24

★ 6.0

Junkyard in Space

1968-03-06 · 60m

The Jupiter 2 lands on a planet which serves as a junkyard. The Robinson's food supply is dwindling. So Dr. Smith tries to sell the robot and the ship in order to get food. Can Dr.Smith be stopped?

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Cast

Guy Williams

Guy Williams

Dr. John Robinson

June Lockhart

June Lockhart

Dr. Maureen Robinson

Mark Goddard

Mark Goddard

Major Don West

Marta Kristen

Marta Kristen

Judy Robinson

Angela Cartwright

Angela Cartwright

Penny Robinson

Bill Mumy

Bill Mumy

Will Robinson

Jonathan Harris

Jonathan Harris

Dr. Zachary Smith

Dick Tufeld

Dick Tufeld

Robot B-9

Bob May

Bob May

Robot B-9

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