7.2/101,450 votesLoading...#1 - 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.
Director: Fred Toye
Writer: Matt Sazama, Burk Sharpless
7.3/102,792 votesLoading...#2 - 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.
Director: Alice Troughton
Writer: Katherine Collins
7.3/102,677 votesLoading...#3 - 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.
Director: Deborah Chow
Writer: Kari Drake
7.3/102,581 votesLoading...#4 - Pressurized
Season 1 Episode 7 - Aired 4/13/2018
While Dr. Smith moves ahead with his secret project, seismic activity wreaks havoc across the planet and leaves two teams facing impossible choices.
Director: Tim Southam
Writer: Vivian Lee
7.3/101,238 votesLoading...#5 - Stuck
Season 3 Episode 5 - Aired 12/1/2021
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.
Director: N/A
Writer: N/A
7.4/104,262 votesLoading...#6 - 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.
Director: Neil Marshall
Writer: Matt Sazama, Burk Sharpless
7.4/102,957 votesLoading...#7 - 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.
Director: Tim Southam
Writer: Zack Estrin
7.4/102,675 votesLoading...#8 - 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.
Director: Vincenzo Natali
Writer: Ed McCardie
7.4/101,272 votesLoading...#9 - 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.
Director: N/A
Writer: N/A
7.5/103,312 votesLoading...#10 - Diamonds in the Sky
Season 1 Episode 2 - Aired 4/13/2018
Another crash brings more travellers to the planet as the Robinsons work to salvage their ship with help from their mysterious new companion.
Director: Neil Marshall
Writer: Matt Sazama, Burk Sharpless
7.5/102,429 votesLoading...#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.
Director: Tim Southam
Writer: N/A
7.5/101,256 votesLoading...#12 - 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.
Director: N/A
Writer: N/A
7.6/102,509 votesLoading...#13 - 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.
Director: Stephen Surjik
Writer: Katherine Collins, Kari Drake
7.6/102,350 votesLoading...#14 - 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, and Will vows to track down the Robot.
Director: Alex Graves
Writer: Matt Sazama, Burk Sharpless
7.6/102,071 votesLoading...#15 - Precipice
Season 2 Episode 2 - Aired 12/24/2019
Penny and Maureen become trapped in a mysterious metal trench, and Don falls prey to a nasty toxin.
Director: Alex Graves
Writer: Zack Estrin
7.6/101,981 votesLoading...#16 - 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.
Director: Leslie Hope
Writer: Liz Sagal
7.6/101,914 votesLoading...#17 - Scarecrow
Season 2 Episode 4 - Aired 12/24/2019
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.
Director: Jon East
Writer: Kari Drake
7.6/101,248 votesLoading...#18 - 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.
Director: N/A
Writer: N/A
7.7/101,218 votesLoading...#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.
Director: N/A
Writer: N/A
7.8/102,038 votesLoading...#20 - 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.
Director: Jon East
Writer: Vivian Lee
7.8/101,304 votesLoading...#21 - 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.
Director: N/A
Writer: N/A
7.9/101,887 votesLoading...#22 - 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.
Director: Tim Southam
Writer: Katherine Collins
7.9/101,834 votesLoading...#23 - 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.
Director: Tim Southam
Writer: Daniel McLellan
8.0/101,858 votesLoading...#24 - Shell Game
Season 2 Episode 9 - Aired 12/24/2019
Will and Penny scramble to hide the robots and figure out their next move. Meanwhile, Hastings amps up his war against the Robinsons.
Director: Stephen Surjik
Writer: Zack Estrin, Vivian Lee
8.1/102,815 votesLoading...#25 - Danger, Will Robinson
Season 1 Episode 10 - Aired 4/13/2018
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.
Director: David Nutter
Writer: Matt Sazama, Burk Sharpless
The Worst Episodes of Lost in Space
Every episode of Lost in Space ranked from worst to best. Explore the Worst Episodes of Lost in Space!
After crash-landing on an alien planet, the Robinson family fights against all odds to survive and escape. But they're surrounded by hidden dangers.
Genres:Sci-Fi & FantasyAction & AdventureDrama
Network:Netflix
Worst Episodes Summary
"Three Little Birds" is the worst rated episode of "Lost in Space". It scored 7.2/10 based on 1450 votes. Directed by Fred Toye and written by Matt Sazama, Burk Sharpless, it aired on 12/1/2021. This episode scored 0.1 points lower than the second lowest rated, "The Robinsons Were Here".