Irwin Allen's Lost in Space

1. S01E01The Reluctant StowawaySeptember 15, 1965 8.6As the Jupiter 2 prepares to launch, Colonel Dr. Smith comes on board and ends up being trapped onboard during blastoff. Because of him bein
2. S01E02The DerelictSeptember 22, 1965 9.0The Jupiter 2 is pulled into a giant ship occupied by bubble-like creatures.
3. S01E03Island in the SkySeptember 29, 1965 8.8While spacewalking Doctor Robinson is pulled down onto a planet. Major West lands the ship to search for him.
4. S01E04There Were Giants in the EarthOctober 6, 1965 8.7Due to the planet's orbit, the Robinsons are going to freeze to death unless they head south.
5. S01E05The Hungry SeaOctober 13, 1965 8.7After experiencing the extreme cold, the planet gets closer to the sun, roasting it. Smith sends the robot to warn the Robinsons.
6. S01E06Welcome StrangerOctober 20, 1965 8.7The Robinsons meet a fellow Earth explorer who is also lost in space. They help him repair his ship and ask him to take Will and Penny home.
7. S01E07My Friend, Mr. NobodyOctober 27, 1965 9.3Penny strikes up a friendship with a deep voice in a deep cave.
8. S01E08Invaders from the Fifth DimensionNovember 3, 1965 9.0Macabre aliens -- quite literally talking heads -- need a humanoid brain to replace a worn out computer in their spaceship. They capture Smi
9. S01E09The OasisNovember 10, 1965 9.0The Robinsons face dangers on strange terrain, where water is running low and the heat is getting more intense.
10. S01E10The Sky is FallingNovember 17, 1965 9.0A small, crab-like robot heralds the arrival of a family of colonists from an alien race called the Taurons. John believes that they are pea
11. S01E11Wish Upon a StarNovember 24, 1965 9.0Will and Dr. Smith come upon an alien machine that grants wishes, which tests the values of the Robinson group.
12. S01E12The RaftDecember 1, 1965 9.0Will's "message-in-a-bottle" experiments deplete the supply of fuel for the Jupiter 2. John and Don work on an alternate fuel source, but th
13. S01E13Season's bestOne of Our Dogs is MissingDecember 8, 1965 10.0With the men off on a mission, the Robinson women must deal with an alien intruder.
14. S01E14Attack of the Monster PlantsDecember 15, 1965 10.0Banished from camp for his latest endangering behavior, Dr. Smith discovers alien plants that can duplicate things (including people), which
15. S01E15Return from Outer SpaceDecember 29, 1965 10.0Using a matter transfer device left behind by the Taurons, Will beams himself back to Earth. He arrives safely in the small town of Hatfield
16. S01E16The Keeper (1)January 12, 1966 9.3The Keeper is an alien who travels the galaxy collecting living pairs of interesting or rare animals. His courtly overtures towards the Robi
17. S01E17The Keeper (2)January 19, 1966 9.7Troubles with The Keeper would be over if Dr. Smith hadn't skulked aboard his ship and released all the animals, putting The Keeper in a pos
18. S01E18The Sky PirateJanuary 26, 1966 9.3Will becomes fast friends with Captain Alonzo P. Tucker, an Earthling who escaped his alien captors to become a wandering space buccaneer. B
19. S01E19Ghost in SpaceFebruary 2, 1966 10.0Trying to contact his Uncle Thaddeus during a séance, Doctor Smith summons a ghostly monster native to the planet.
20. S01E20War of the RobotsFebruary 9, 1966 10.0After the Robinsons repair a damaged robot, it first helps them and then plots to capture them.
21. S01E21The Magic MirrorFebruary 16, 1966 9.3During a cosmic storm, Dr. Smith and Penny discover a strange mirror. Dr. Smith becomes interested in the mirror because it has platinum in
22. S01E22The ChallengeMarch 2, 1966 10.0John and Will fight a battle with an alien father and son that is to the death.
23. S01E23The Space TraderMarch 9, 1966 10.0After ruining the Robinson's food supply, Doctor Smith makes a deal with the space trader and gives his body for food provided he collects i
24. S01E24His Majesty SmithMarch 16, 1966 10.0Doctor Smith delights that he is made ruler of an alien species until he learns that he is also their sacrifice.
25. S01E25The Space CroppersMarch 30, 1966 10.0The Robinsons run into a group of space hillbillies whom Zachary believes might take him back to Earth.
26. S01E26All That GlittersApril 6, 1966 10.0Dr. Smith and Penny obtain a ring that will turn anything to platinum.
27. S01E27The Lost CivilizationApril 13, 1966 10.0Will awakes a sleeping princess whom he now must marry. Her race has been awakened and now plans to conquer the universe starting with Earth
28. S01E28A Change of SpaceApril 20, 1966 10.0A strange interdimensional ship turns Will into a genius and Dr. Smith into an old man.
29. S01E29Follow the LeaderApril 27, 1966 10.0An evil spirit possesses John Robinson and plans to fly the Jupiter 2 back to his home world, even at the expense of Will's life.

Season 1 ranked & reviewed

1. S02E01Season's bestBlast Off Into SpaceSeptember 14, 1966 10.0Dr Smith and Will befriend an old miner named Nerim. After a series of earthquakes indicates that the planet is breaking up, Dr Smith tries
2. S02E02Wild AdventureSeptember 21, 1966 10.0Shortly after leaving their original crash-site planet, Smith spots a familiar star and, in an amazing show of stellar navigational skill, c
3. S02E03The Ghost PlanetSeptember 28, 1966 10.0Due to Smith's actions the crew has had to land their ship on an alien planet which is run by cyborgs. Meanwhile the crew try to break free
4. S02E04Forbidden WorldOctober 5, 1966 10.0The Robinsons encounter a hermit who plans to attack the Jupiter 2 with his army.
5. S02E05Space CircusOctober 12, 1966 10.0A space circus comes to town and the owner wants Will to run away with it.
6. S02E06The Prisoners of SpaceOctober 19, 1966 10.0The Robinsons are tried for space crimes and the evidence shows that Smith is really responsible for the mishaps.
7. S02E07The Android MachineOctober 26, 1966 10.0Doctor Smith creates an android that they teach to be more human. A humanoid shows up looking for payment for the android.
8. S02E08The Deadly Games of Gamma 6November 2, 1966 10.0Dr. Smith ends up in a boxing match with some space gladiators. If he wins he will return to Earth, and if he loses it won't matter because
9. S02E09The Thief of Outer SpaceNovember 9, 1966 10.0Will, Penny and Dr. Smith get involved with a thief that is searching for a princess
10. S02E10Curse of Cousin SmithNovember 16, 1966 10.0Jeremiah Smith shows up to kill Doctor Smith for his inheritance.
11. S02E11West of MarsNovember 30, 1966 9.7Will and Doctor Smith are out and about and a swift gun named Xeno who is on the run from the law and happens to be a exact double for Dr. S
12. S02E12A Visit to HadesDecember 7, 1966 9.7Doctor Smith while out with Will discovers a golden Lyre on a pedestal in a stone arch. He strums it and is sent to what appears to be Hell.
13. S02E13Wreck of the RobotDecember 14, 1966 9.3The mysterious Saticon's make an offer to the Robinsons to buy the robot. The offer is turned down and then in the middle of the night the r
14. S02E14The Dream MonsterDecember 21, 1966 9.7Sesmar cons Doctor Smith into using a special camera to take pictures of the Robinsons. They're personalities are then stolen from them for
15. S02E15The Golden ManDecember 28, 1966 9.7Beauty meets the beast, two aliens fighting a war land on the planet and the Robinsons are stuck in the middle of things. Handsome golden ma
16. S02E16The Girl from the Green DimensionJanuary 4, 1967 9.3Athena, the green girl from "Wild Adventure" who lured Doctor Smith out into space, returns and is still in love with him. Her suitor from t
17. S02E17The Questing BeastJanuary 11, 1967 9.7Sagramonte a knight errant, comes to the planet in search of Gundemar The Questing Beast. He then takes Dr. Smith and Will hostage.
18. S02E18The ToymakerJanuary 25, 1967 9.7Doctor Smith and Will discover a old android machine from the Celestial Department store and end up getting sucked into the machine. There t
19. S02E19Mutiny in SpaceFebruary 1, 1967 9.7A space pirate looking for his crew that mutinied finds Will and Dr. Smith trying to repair his empty ship.
20. S02E20The Space VikingsFebruary 8, 1967 9.3Through some harmless playacting, Dr. Smith unintentionally conjures up the magical gauntlets and war hammer of the Norse god Thor. Taking h
21. S02E21Rocket to EarthFebruary 15, 1967 9.3Smith is keen for the job of sorcerer's apprentice after learning that a space magician's rocket ship can reach Earth in a few hours.
22. S02E22The Cave of the WizardsFebruary 22, 1967 9.3Shortly before lift-off, Dr. Smith discovers a cave inhabited by devices, which are the remnants of a once-mighty civilization; the Draconia
23. S02E23Treasure of the Lost PlanetMarch 1, 1967 9.3Dr. Smith, Penny and Will are out playing a game and Penny finds a gold coin on the game board. They then find a trail of the gold coins and
24. S02E24Revolt of the AndroidsMarch 8, 1967 10.0In the second of two sequels to Lost in Space: The Android Machine (1966), Verda's sheltered by the Robinsons after she's marked for destruc
25. S02E25The ColonistsMarch 15, 1967 10.0A female alien meets the Robinsons and uses them to help erect an arch to bring her people to colonize the Robinsons' planet.
26. S02E26Trip Through the RobotMarch 22, 1967 10.0While in the Valley of Shadows the Robot is affected by strange forces and grows to the size of a building. Will and Dr. Smith enter the Rob
27. S02E27The Phantom FamilyMarch 29, 1967 10.0While John and Maureen are away observing volcanic activity, the alien scientist Lemnoc captures Don, Judy, Penny, and Dr. Smith and replace
28. S02E28The Mechanical MenApril 5, 1967 10.0The planet is invaded by an army of tiny robots who closely resemble the Robinsons' Robot and proclaim him as their long-predicted king. The
29. S02E29The Astral TravelerApril 12, 1967 10.0Will and Dr. Smith find a cave that transports them to Earth, 19th-century Scotland.
30. S02E30The Galaxy GiftApril 26, 1967 10.0Penny will not give up the belt entrusted to her by an alien even if it means their deaths

Season 2 ranked & reviewed

1. S03E01Season's bestCondemned of SpaceSeptember 6, 1967 10.0The Robinsons leave their planet to escape a collision with a comet and find a ship full of frozen convicts.
2. S03E02Visit to a Hostile PlanetSeptember 13, 1967 10.0Passing through a time warp, the Robinsons do return to Earth in the year 1947. They are mistaken as invaders and start the UFO scare of the
3. S03E03Kidnapped in SpaceSeptember 20, 1967 10.0A spaceship requests medical help for their computer and Dr. Smith has to perform brain surgery on it.
4. S03E04Hunter's MoonSeptember 27, 1967 10.0After killing a hostile alien, Professor Robinson comes across a "hunter" and he must replace his dead prey.
5. S03E05The Space PrimevalsOctober 4, 1967 10.0On a planet where a primitive people are ruled by a computer, Doctor Smith goes against character and saves Major West's life.
6. S03E06Space DestructorsOctober 11, 1967 10.0Using an alien machine Doctor Smith creates an army of cyborgs to conquer the universe.
7. S03E07The Haunted LighthouseOctober 18, 1967 10.0The Robinsons take a boy home to his planet and come across a spaceship that is a space lighthouse. The boy gets angry when they tell him th
8. S03E08Flight Into the FutureOctober 25, 1967 10.0Accidentally landing on a planet, Will, Doctor Smith and the Robot find the Jupiter 2 is now an archaeological site and that they are in the
9. S03E09Collision of PlanetsNovember 8, 1967 10.0A group of space hippies is going to destroy the planet the Robinsons are on.
10. S03E10Space CreatureNovember 15, 1967 10.0When a gaseous creature engulfs the Jupiter 2, the other crew members disappear leaving Will and Doctor Smith alone.
11. S03E11Deadliest of the SpeciesNovember 22, 1967 10.0The Robot "falls in love" with an evil female robot sought by two aliens.
12. S03E12A Day at the ZooNovember 29, 1967 10.0Galaxic showman Farnum B. wants to exhibit the Robinsons in his zoo.
13. S03E13Two Weeks in SpaceDecember 13, 1967 10.0Two escaped thieves transform themselves into humans and pretend to be tourists as Smith turns the Jupiter 2 into a hotel.
14. S03E14Castles in SpaceDecember 20, 1967 10.0Will meets a princess who is escaping two bounty hunters, yet Will gets kidnapped instead.
15. S03E15The Anti-Matter ManDecember 27, 1967 10.0John Robinson and Don West are transported onto a strange new world where their evil opposites exist and plan to change places with them. Wi
16. S03E16Target EarthJanuary 3, 1968 10.0Landing on a planet some shapeless beings duplicate the Robinsons and take the Jupiter 2 with the intent of conquering Earth. Will gets aboa
17. S03E17Princess of SpaceJanuary 10, 1968 10.0Penny is kidnapped by aliens who think that she is the missing Princess Alpha.
18. S03E18The Time MerchantJanuary 17, 1968 10.0After making a deal with the Time Merchant, Dr. Smith returns to Earth just before the launch of the Jupiter II. If he doesn't get on it, th
19. S03E19The Promised PlanetJanuary 24, 1968 10.0When the Robinsons nearly reach Alpha Centauri, they find a human base run by young people. They convince the adults that Penny and Will are
20. S03E20Fugitives in SpaceJanuary 31, 1968 10.0Don and Doctor Smith are sent to an intergalactic prison after coming across an escapee.
21. S03E21Space BeautyFebruary 14, 1968 10.0Farnum B, the intergalactic showman, again encounters the Robinsons as he presents the Galaxy Beauty Pageant, and its sponsor wants Judy to
22. S03E22The Flaming PlanetFebruary 21, 1968 10.0Doctor Smith disposes of a plant which has grown to an intense size, and becomes attached to the hull of the Jupiter 2.
23. S03E23The Great Vegetable RebellionFebruary 28, 1968 10.0Smith lands the pod on a planet where plants are the highest form of intelligence. The Robinsons land only to be captured by Tybo, a giant c
24. S03E24Junkyard in SpaceMarch 6, 1968 8.3With the Robinsons running out of food, Dr. Smith trades the ship and the Robot to a junk man for food.

Season 3 ranked & reviewed