The best episodes of Lost in Space
Ranked by viewer rating, highs first. Lit marks on the season rail place this list across the run. Vote on a placement to back it or contest it.
- 01
Seven months later, marooned on a watery planet, the Robinsons make a risky bid to power up their Jupiter, and Will vows to track down the Robot.
- 02
Will and Penny scramble to hide the robots and figure out their next move. Meanwhile, Hastings amps up his war against the Robinsons.
- 03
John's predicament goes from bad to worse, sending Judy on a frantic race across the planet. Penny spies on Smith -- with help from an old friend.
- 04
While Maureen leads a mutiny, Hastings visits John to deliver an ultimatum, and Penny tries to convince Will that his Robot has changed.
- 05
While Will searches for clues to the Robot's fate, John and Judy travel to the dusty surface of the nearby planet to help their fellow survivors.
- 06
The Robinsons' dreams of a happy reunion fade when they realize something's very wrong aboard the Resolute. Smith seizes a chance to clear her name.
- 07
The mission to save Scarecrow takes an unexpected turn, throwing the Resolute into chaos. Judy hatches a plan to get a ship to Alpha Centauri.
- 08
John recruits an unlikely partner to help hunt down a secret audio signal intercepted by the ship. Will begins to suspect Adler is hiding something.
- 09
As the clock ticks down toward the Resolute's departure, the Robinsons scramble to get off the planet -- and out from under Dr. Smith's thumb.
- 10
The Robinsons make contact with another family of survivors, and Will races to protect his family after Judy learns what happened aboard the Resolute.
- 11
Another crash brings more travellers to the planet as the Robinsons work to salvage their ship with help from their mysterious new companion.
- 12
As the battle for Alpha Centauri unfolds, the Robinsons and their friends risk everything to restore peace and pave the way for a better future.
- 13
Flashbacks reveal clues to Dr. Smith's past. The Robinsons contend with a new threat as the ship's fuel supply starts dropping -- fast.
- 14
Penny and Maureen become trapped in a mysterious metal trench, and Don falls prey to a nasty toxin.
- 15
Judy sets out to find Maureen, while Will and Penny lead an expedition to the caves. Dr. Smith pursues a new escape plan.
- 16
As the adults race to destroy all clues to the location of Alpha Centauri, the Robinson kids receive an ominous message from SAR.
- 17
The story of Don's run-in with SAR leads the Robinsons to an alarming realization. Will sneaks out on a dangerous solo mission.
- 18
On the way to a space colony, a crisis sends the Robinsons hurtling towards an unfamiliar planet, where they struggle to survive a harrowing night.
- 19
Contingencies on Contingencies
The Robinsons race to get help for Will, warn the other colonists and activate a secret defense system. Vijay tags along with Penny on a risky outing.
- 20
Scarecrow helps Maureen and John plot an engine heist. Judy returns to camp with new passengers. Will makes a startling discovery in the alien city.
- 21
While Dr. Smith moves ahead with his secret project, seismic activity wreaks havoc across the planet and leaves two teams facing impossible choices.
- 22
While Judy sets out to find Grant Kelly, Penny and Will explore a mysterious tunnel. Light years away, Maureen, John and Don hunt for SAR's remains.
- 23
Maureen finds a solution to the fuel issue, but putting her plan into action proves trickier than expected. Dr. Smith realises her cover is blown.
- 24
As the team builds a tower to signal the Resolute, Maureen investigates a planetary anomaly, and Will braces for a tough conversation with his dad.
- 25
After crashing on a boggy planet, Maureen and Judy contend with a massive salivating creature, while John and Penny work to free the trapped Robot.
Shows like Lost in Space
The closest matches on shared genres, ranked by match strength and popularity.
- 01Drama·Action·Science-FictionThe best episodes of Arrow2012–2020·The CWAfter a violent shipwreck, billionaire playboy Oliver Queen was missing and presumed dead for five years before being discovered alive on a remote island in the Pacific.
- 02Drama·Action·Science-FictionThe best episodes of The Flash2014–2023·The CW
After a particle accelerator causes a freak storm, CSI Investigator Barry Allen is struck by lightning and falls into a coma. - 03Drama·Action·Science-FictionThe best episodes of Fringe2008–2013·FOX
When an international flight lands at Boston's Logan Airport and the passengers and crew have all died grisly deaths, FBI Special Agent Olivia Dunham is called in to investigate. - 04Drama·Action·Science-FictionThe best episodes of Invincible2021–present
Based on the eponymous comic book, Invincible revolves around Mark Grayson, a normal teenager except for the fact that his father is the most powerful superhero on the planet. - 05Drama·Action·Science-FictionThe best episodes of Fallout2024–presentBased on one of the greatest video game series of all time, Fallout is the story of haves and have nots in a world in which there's almost nothing left to have.
- 06Drama·Action·Science-FictionThe best episodes of Star Trek: Starfleet Academy2026–present·Paramount+
Star Trek: Starfleet Academy is set in the 32nd century, a time period in the far-future of the Star Trek franchise where Starfleet and the United Federation of Planets are recovering from a cataclysmic event, as…
