Lost in Space_
"A space colony family struggles to survive when their ship is hopelessly thrown off course."
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
Network
CBS
Episodes
83
Updated Feb 16, 2026
WHERE TO WATCH
O
Oldflix
1 country
ALL REGIONS
DROPTHE_ GOSSIP
Overview
Lost in Space has 3 seasons with 83 episodes spanning 1965-1968.
Guy Williams →
Rating
Lost in Space holds a 7.1/10 rating based on 121 votes.
Year context
Lost in Space first aired 61 years ago in 1965.
CAST (9)
SEASONS (3 seasons, 83 episodes)
SEASON 1
01
The Reluctant Stowaway
In the year 1997 the Robinson family take off to colonize Alpha Centauri. A spy from a foreign country AKA Dr. Smith becomes trapped aboard…
02
The Derelict
The Jupiter 2 is pulled into a giant alien spaceship where there are advanced bubble-like creatures. While John and Don look for maps and equipment…
03
Island in the Sky
Professor Robinson attempts to explore a planet that the Robinson's are planning to land on. His para-jet propulsion system fails due to sabotage by Dr.…
04
There Were Giants in the Earth
John discovers that the planet they are on will travel further from the sun.In an attempt to survive the Robinsons pack up and head south.…
05
The Hungry Sea
Professor Robinson discovers that the planets orbit will bring immense heat on the spaceship. With that knowledge the Robinson's take off in the chariot and…
06
Welcome Stranger
Jimmy Hapgood lands on the planet and the Robinsons befriend him. After helping him fix his spaceship the Robinsons try to convince him to take…
07
My Friend, Mr. Nobody
Penny "imagines" a new companion, which is a disembodied life force living below the surface. Dr. Smith accidentally injures Penny, leading to the creature taking…
08
Invaders from the Fifth Dimension
Luminous aliens capture Dr. Smith and plan to replace their burnt out computer with his brain. Smith bargains with them and they attempt to use…
09
The Oasis
Dr. Smith eats some alien fruit which transforms him into a giant. Convinced it was the Robinsons trying to kill him, he plots to take…
10
The Sky Is Falling
The Robinsons can not understand the language of a visiting family also on the planet. The aliens are called Taurons, and come to use the…
11
Wish Upon a Star
The Robinson family banish Dr. Smith from the Jupiter 2. He takes refuge in an abandoned spaceship where he finds a machine that can materialize…
12
The Raft
Actually, Will and Dr. Smith went into an elongated orbit and landed right back on the planet, not too far from the Jupiter II.
13
One of Our Dogs Is Missing
The women of Lost in Space are featured in their very own episode while the boys are out installing communications equipment. Smith is left in…
14
Attack of the Monster Plants
Plants grow to huge proportions and can duplicate any item placed in them - but those items are made of plant material and are useless.…
15
Return from Outer Space
Lost in Space's only Christmas program. Will uses an alien transporter to send himself back to earth. However, many people believe the Robinson family to…
16
The Keeper (1)
The Keeper, played by Michael Rennie, is a zoo keeper. He wants to take the children and add them to his collection. This episode is…
17
The Keeper (2)
The second part of the zookeeper played by Michael Rennie. Rennie turns in a memorable performance as The Keeper. His understated performance keeps dramatic tension…
18
The Sky Pirate
The Robinsons meet a space traveler who turns out to be an Earth man, Alonzo P. Tucker, who was abducted from Punxsutawney, Pennsylvania, by aliens,…
19
Ghost in Space
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…
20
War of the Robots
Will and Dr. Smith stumble upon another robot. More capable than their own robot the alien robot works to gain the confidence of the Robinsons.…
21
The Magic Mirror
Penny and Judy stumble upon a mirror. They discover someone is on the otherside. Before they know it they are transported to the mirror universe…
22
The Challenge
An alien boy is sent to Priplanis to validate his prince status. Will is drawn into a battle to the death unbeknowest to his father.…
23
The Space Trader
After the entire Robinson food supply is wiped out in a freak storm a trader arrives to trade food for equipment the Robinson's possess. Dr.…
24
His Majesty Smith
Dr. Smith is conscripted as the leader of a people from another world. Little does he know that the leaders of these people are routinely…
25
The Space Croppers
The Beverly Hillbillies move to Priplanis. One of the aliens turns into a werewolf at night. The leader is a articulent female which Smith tries…
26
All That Glitters
In this retelling of "The Midis Touch", Dr. Smith gains the power to turn anything into platinum. Penny is given a gift by a thief…
27
The Lost Civilization
The Robinson men discover an underground civilization while exploring the planet. Will wakes a sleeping princess who wants him to remain and rule with her.
28
A Change of Space
The Intergalactic Delivery Service comes to Priplanus. Once again Dr. Smith seeks transportation and has Will "test drive" the spaceship. Will returns much smarter than…
29
Follow the Leader
John Robinson is possessed by an alien spirit. The alien forces the family to prepare to return to the spirit's home world, even if it…
SEASON 2
01
Blast Off into Space
Dr Smith and Will befriend an old miner named Nerim. After a series of earthquakes indicates that the planet is breaking up, Dr Smith tries…
02
Wild Adventure
Shortly after leaving their original crash-site planet, Smith spots a familiar star and, in an amazing show of stellar navigational skill, calculates the course to…
03
The Ghost Planet
Due to Smith's actions the crew has had to land there ship on an alien planet which is run by cyborgs. Meanwhile the crew try…
04
Forbidden World
When an alien believes that the Jupiter 2 has fired a missile at them that alien puts the crew in grave danger for there lives.
05
Space Circus
The Space Family Robinson go through a food crisis when their plant purifier breaks down. Will and Dr Smith discover a travelling show of circus…
06
The Prisoners of Space
The Robinsons and Major West are imprisoned in their camp, after being indited to appear before the a trial in court space crimes. As the…
07
The Android Machine
Will and Dr Smith discover an old, abandoned Android Machine. When Dr Smith plays with the buttons on the machine, he accidently orders an Android.…
08
The Deadly Games of Gamma 6
When a troope of Galactic Gladiators arrive on the planet, they challenge Professor Robinson to a duel, which will be aired all of the galaxy.…
09
The Thief from Outer Space
A person know as ' the thief from outer space' appears in a puff of smoke, will agrees help help him rescue a princess who…
10
The Curse of Cousin Smith
When Dr Smith's cousin Jeremiah Smith arrives on the planet, everyone welcomes him, except Dr Smith. Dr Smith alienates himself from the family, and refuses…
11
West of Mars
Dr Smith is confronted by an identical look-alike called Zeno, who is on the run from the law. Zeno makes him trade places and Dr…
12
A Visit to Hades
Dr Smith, Will and the Robot discover an old harp under a carved out rock. They discover that in playing the right tune, it unlocks…
13
The Wreck of the Robot
While playing a outdoor match, Will and Smith's ball explodes, and as the smoke clears there ball has turns into gold. the ball rolls into…
14
The Dream Monster
During a heat wave, Penny comes across a giant, golden man, and his owner. She is told that the creature is called Raddion, a creation…
15
The Golden Man
While the rest of the men are away, Dr Smith and the Robinson women are affronted by a mysetrious man in gold, who claims to…
16
The Girl From the Green Dimension
Athena the girl from the green dimension who hypnotised Dr Smith during thier space flight arrives on the planet. She still is in love with…
17
The Questing Beast
Will and Dr Smith are confronted by a knight, who says he is on a quest to seek out and destroy the beast Gundemar. Penny,…
18
The Toymaker
Dr Smith discovers another Android Machine, in the middle of a dangerous fisher. When he tries to order something, he is trapped inside the machine.…
19
Mutiny in Space
Dr. Smith's finds an alien ship and wants to use it to get back to earth, but he doesn't count for the owner of the…
20
The Space Vikings
A storm looms up and the two gloves of Thor appear from space and straight into the waiting hands of Dr. Smith. Then are then…
21
Rocket to Earth
The crew are outside playing ball when a magician called Zalto. Dr. Smith uses Zalto to conjure up a space ship so he can use…
22
The Cave of the Wizards
Dr. smith hits his head on a rock and goes into the depths of a cave where he finds a mummy, meanwhile the crew have…
23
Treasure of the Lost Planet
Alonzo P. Tucker returns, this time more in keeping with the pirate character he tried to create in his first appearance. This time Tucker is…
24
Revolt of the Androids
Penny meets up with Verda the Android Dr Smith ordered, who is on the run from a super android, IDAK. She is now much more…
25
The Colonists
The Robinson's communications system is knowcked out, and they discover that the culprit is a female warrior, who is planing on making this planet a…
26
Trip Through the Robot
With the power source of the Robinson's at a low, they are unable to recharge the Robot. As a result of this the Robot leaves…
27
The Phantom Family
Will returns to camp following a cosmic storm. John and Maureen are not there as they are at the weather relay station for a few…
28
The Mechanical Men
After Dr Smith is turned away from camp yet again, he awakes from a nap to find he has been tied up by little mechanical…
29
The Astral Traveler
Dr Smith and Will become trapped in a cave during a cosmic storm. Will is accidently pulled through a cosmic time warp, and ends up…
30
The Galaxy Gift
As they are rehearsing a play, Dr Smith, Will, Penny and the Robot encounter a creature who appears to be suffocating. Dr Smith refuses to…
SEASON 3
01
Condemned of Space
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…
02
Visit to a Hostile Planet
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…
03
Kidnapped in Space
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…
04
Hunter's Moon
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…
05
The Space Primevals
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'…
06
Space Destructors
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.…
07
The Haunted Lighthouse
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…
08
Flight into the Future
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…
09
Collision of Planets
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…
10
Space Creature
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.…
11
Deadliest of the Species
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…
12
A Day at the Zoo
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…
13
Two Weeks in Space
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…
14
Castles in Space
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…
15
The Anti-Matter Man
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…
16
Target: Earth
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…
17
Princess of Space
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…
18
Time Merchant
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.…
19
The Promised Planet
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…
20
Fugitives in Space
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…
21
Space Beauty
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…
22
The Flaming Planet
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…
23
The Great Vegetable Rebellion
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…
24
Junkyard in Space
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…
SERIES INFO
3
Seasons
83
Episodes
60 min/ep
Per Episode
Ended
Status
CREW
Creator
Irwin Allen
NETWORKS (1)
CBS
DETAILS
FREQUENTLY ASKED QUESTIONS
What is Lost in Space about?
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
Where can I watch Lost in Space?
Lost in Space is available on Oldflix. Availability varies by region.
How many seasons does Lost in Space have?
Lost in Space has 3 seasons with 83 episodes total.
Who created Lost in Space?
Lost in Space was created by Irwin Allen.
Who stars in Lost in Space?
The cast of Lost in Space includes Guy Williams, June Lockhart, Mark Goddard, Marta Kristen, Angela Cartwright.
What is the rating of Lost in Space?
Lost in Space has a rating of 7.1 out of 10 based on 121 votes on TMDB.
Is Lost in Space still running?
Lost in Space has ended. The final episode aired on .
GENRES (2)
Sci-Fi & Fantasy
Comedy
