The WORST episodes of Lost in Space (2018)

Every episode of Lost in Space (2018) ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Lost in Space (2018)!

After crash-landing on an alien planet, the Robinson family fight against all odds to survive and escape, but they're surrounded by hidden dangers.

Last Updated: 11/27/2024Network: NetflixStatus: Ended
Stuck
star
7.41
1124 votes

#1 - Stuck

Season 3 - Episode 5 - Aired 12/1/2021

After crashing on a boggy planet, Maureen and Judy contend with a massive salivating creature. John and Penny work to free the trapped Robot.

Directors: Leslie Hope
Writer: Kari Drake
Watch Now:AmazonApple TV
Three Little Birds
star
7.43
1222 votes

#2 - Three Little Birds

Season 3 - Episode 1 - Aired 12/1/2021

A year into their mission with the children of the Resolute, Judy, Penny and Will scramble to find the titanium they need to get to Alpha Centauri.

Watch Now:AmazonApple TV
The Robinsons Were Here
star
7.50
3107 votes

#3 - The Robinsons Were Here

Season 1 - Episode 4 - Aired 4/13/2018

The Robinsons make contact with another family of survivors, and Will races to protect his family after Judy learns what happened aboard the Resolute.

Directors: Alice Troughton
Watch Now:AmazonApple TV
Impact
star
7.51
4204 votes

#4 - Impact

Season 1 - Episode 1 - Aired 4/13/2018

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.

Directors: Neil Marshall
Watch Now:AmazonApple TV
Contact
star
7.53
1154 votes

#5 - Contact

Season 3 - Episode 2 - Aired 12/1/2021

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.

Writer: Zack Estrin
Watch Now:AmazonApple TV
Pressurized
star
7.53
2871 votes

#6 - Pressurized

Season 1 - Episode 7 - Aired 4/13/2018

While Dr. Smith moves ahead with her secret project, seismic activity wreaks havoc across the planet and leaves two teams facing impossible choices.

Directors: Tim Southam
Writer: Vivian Lee
Watch Now:AmazonApple TV
The New Guy
star
7.54
1131 votes

#7 - The New Guy

Season 3 - Episode 3 - Aired 12/1/2021

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.

Directors: Sarah Boyd
Writer: Vivian Lee
Watch Now:AmazonApple TV
Infestation
star
7.55
3324 votes

#8 - Infestation

Season 1 - Episode 3 - Aired 4/13/2018

Flashbacks reveal clues to Dr. Smith's past. The Robinsons contend with a new threat as the ship's fuel supply starts dropping -- fast.

Directors: Tim Southam
Writer: Zack Estrin
Watch Now:AmazonApple TV
Diamonds in the Sky
star
7.55
3604 votes

#9 - Diamonds in the Sky

Season 1 - Episode 2 - Aired 4/13/2018

Another crash brings more travelers to the planet as the Robinsons work to salvage their ship with help from their mysterious new companion.

Directors: Neil Marshall
Watch Now:AmazonApple TV
Transmission
star
7.60
2976 votes

#10 - Transmission

Season 1 - Episode 5 - Aired 4/13/2018

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.

Directors: Deborah Chow
Writer: Kari Drake
Watch Now:AmazonApple TV
Resurrection
star
7.61
2689 votes

#11 - Resurrection

Season 1 - Episode 9 - Aired 4/13/2018

Judy sets out to find Maureen, while Will and Penny lead an expedition to the caves. Dr. Smith pursues a new escape plan.

Directors: Tim Southam
Watch Now:AmazonApple TV
Eulogy
star
7.62
2843 votes

#12 - Eulogy

Season 1 - Episode 6 - Aired 4/13/2018

Maureen debates whether to share what she saw in the sky, Don leads a mission to find fuel, and the robot's presence stokes tensions within the group.

Directors: Vincenzo Natali
Writer: Ed McCardie
Watch Now:AmazonApple TV
Contingencies on Contingencies
star
7.62
1109 votes

#13 - Contingencies on Contingencies

Season 3 - Episode 7 - Aired 12/1/2021

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.

Directors: Leslie Hope
Writer: Zack Estrin
Watch Now:AmazonApple TV
Precipice
star
7.63
1780 votes

#14 - Precipice

Season 2 - Episode 2 - Aired 12/24/2019

Penny and Maureen become trapped in a mysterious metal trench. Don falls prey to a nasty toxin.

Directors: Alex Graves
Writer: Zack Estrin
Watch Now:AmazonApple TV
Run
star
7.66
1698 votes

#15 - Run

Season 2 - Episode 5 - Aired 12/24/2019

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.

Directors: Jon East
Writer: Vivian Lee
Watch Now:AmazonApple TV
Shipwrecked
star
7.66
1941 votes

#16 - Shipwrecked

Season 2 - Episode 1 - Aired 12/24/2019

Seven months later, marooned on a watery planet, the Robinsons make a risky bid to power up their Jupiter. Will vows to track down the Robot.

Directors: Alex Graves
Watch Now:AmazonApple TV
Echoes
star
7.67
1748 votes

#17 - Echoes

Season 2 - Episode 3 - Aired 12/24/2019

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.

Directors: Leslie Hope
Writer: Liz Sagal
Watch Now:AmazonApple TV
Final Transmission
star
7.68
1111 votes

#18 - Final Transmission

Season 3 - Episode 6 - Aired 12/1/2021

The story of Don's run-in with SAR leads the Robinsons to an alarming realization. Will sneaks out on a dangerous solo mission.

Directors: Julian Holmes
Watch Now:AmazonApple TV
Nothing Left Behind
star
7.69
1121 votes

#19 - Nothing Left Behind

Season 3 - Episode 4 - Aired 12/1/2021

As the adults race to destroy all clues to the location of Alpha Centauri, the Robinson kids receive an ominous message from SAR.

Directors: Julian Holmes
Watch Now:AmazonApple TV
Scarecrow
star
7.73
1723 votes

#20 - Scarecrow

Season 2 - Episode 4 - Aired 12/24/2019

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.

Directors: Jon East
Writer: Kari Drake
Watch Now:AmazonApple TV
Trajectory
star
7.73
2805 votes

#21 - Trajectory

Season 1 - Episode 8 - Aired 4/13/2018

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.

Directors: Steve Surjik
Watch Now:AmazonApple TV
Evolution
star
7.75
1663 votes

#22 - Evolution

Season 2 - Episode 7 - Aired 12/24/2019

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.

Directors: Tim Southam
Watch Now:AmazonApple TV
Severed
star
7.82
1682 votes

#23 - Severed

Season 2 - Episode 6 - Aired 12/24/2019

The fast-spreading contaminant leaves Penny, Smith and friends stranded in tight quarters. Will and Maureen set out with Adler to find the Robot.

Directors: Tim Southam
Watch Now:AmazonApple TV
Unknown
star
7.84
1673 votes

#24 - Unknown

Season 2 - Episode 8 - Aired 12/24/2019

While Maureen leads a mutiny, Hastings visits John to deliver an ultimatum. Penny tries to convince Will that his Robot has changed.

Directors: Jabbar Raisani
Watch Now:AmazonApple TV
Shell Game
star
7.86
1648 votes

#25 - Shell Game

Season 2 - Episode 9 - Aired 12/24/2019

Will and Penny scramble to hide the robots and figure out their next move. Hastings amps up his war against the Robinsons.

Directors: Stephen Surjik
Watch Now:AmazonApple TV