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'Lost in Space' Season 3: 5 things to know about final season of Netflix sci-fi show

'Lost in Space' Season 3 is returning for its third and final season with the Robinsons facing a dangerous threat once again
UPDATED NOV 25, 2021
A still from 'Lost in Space' Season 3 (Netflix)
A still from 'Lost in Space' Season 3 (Netflix)

Lost in Space' has been one of the most-well-made sci-fi shows in recent years and has kept viewers at the edge of their seats by giving several enthralling moments. The series began in 2018 and garnered positive reviews, which encouraged Netflix to explore the new world and make a franchise out of it.

The streaming giant came out with Season 2 in 2019 and promised that there will be more episodes coming really soon. However, Netflix took a lot of time to make a decision and announced in 2020 that the sci-fi show will be returning for a third and final season in 2021. Fans are really excited that they’ll be seeing the Robinson family on their screens for one final time. The series, which is based on the 1965 series of the same name, revolves around the Robinsons, a family of space colonists, who crash-land on an unknown planet. The family is fighting for their survival as they fight their inner demons to get out of the dangerous situation. However, the stakes are higher in Season 3 and the Robinsons would have to face new challenges in order to return to the ‘Resolute’.


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‘Lost in Space’ is one of the most-watched sci-fi shows on Netflix and is a worthy addition to its catalog that already consists of projects like ‘The Umbrella Academy’ and ‘Sweet Tooth’.

Here’s everything we know about Season 3 of ‘Lost in Space’.

Mina Sundwall as Penny Robinson in 'Lost in Space' (Netflix)

When does Season 3 of ‘Lost in Space’ release and where can you watch it

The third and final season of ‘Lost in Space’ will be premiering exclusively on Netflix on Wednesday, December 1. According to the Netflix press site, the sci-fi show will be available for streaming at 3:01 am EST. Viewers can download the Netflix app from the Google Play Store and Apple’s App Store to watch the series.

What is ‘Lost in Space’ Season 3 all about

The official synopsis reads, “In the third and final season of ‘Lost in Space’, the stakes are higher than ever and the Robinson family's survival instincts will be put to the ultimate test. After a year of being trapped on a mysterious planet, Judy (Taylor Russell), Penny (Mina Sundwall), Will (Maxwell Jenkins), and the Robot must lead the 97 young Colonists in a harrowing evacuation -- but not before secrets are unearthed that will change their lives forever. Meanwhile, John (Toby Stephens) and Maureen (Molly Parker) -- with Don at their side -- must battle overwhelming odds as they try to reunite with their kids. The Robinsons will have to grapple with the emotional challenge of not just being lost -- but being separated from the ones they love... as they face the greatest alien threat yet.”

Who stars in the Netflix sci-fi show

Season 3 will see the return of all the main characters. Molly Parker will be reprising the role of Maureen while Toby Stephens is back as Toby Stephens. On the other hand, Mina Sundwall will be once again playing the role of Penny Robinson.

Mina Sundwall

Born on October 24, 2001, Mina Sundwall began her acting career in 2012 and made her first appearance on Television on the documentary series ‘Celebrity Ghost Stories’. In 2014, she played a character named Mia Harris on the hit TV show ‘Law & Order: Special Victims Unit’. 2015 turned out to be a massive year for her as she appeared on three different projects and worked with some of the biggest names in the industry.


One of the movies she worked on was ‘Freeheld’ which starred Julianne Moore, Elliot Page, Michael Shannon, and Steve Carell in pivotal roles. Currently, she can be seen in Netflix’s ‘Lost in Space’ and The CW superhero show ‘Legends of Tomorrow’.

The rest of the cast includes Maxwell Jenkins (Will Robinson), Taylor Russell (Judy Robinson), Brian Steele as Robot, Ignacio Serricchio as Don West, and Sibongile Mlambo as Angela. 


The show has been created and written by Zack Estrin while Kevin Burns, Jon Jashni, Matt Sazama, and Burk Sharpless serve as executive producers on the show.


The trailer of Season 3 reveals absolutely nothing about what the show’s final season will actually be about. All the children of the Robinson family are on their own while the adults are trying to keep themselves safe in a different part of the galaxy. One thing’s for sure, we are finally going to learn more about robots and their plans. You can watch the trailer here.