Compared to the original it has a different theme song, a different family, a different design for the Sleestak, and better special effects that struck a different chord with a lot of people. It also features as a regular character a blonde-haired "wild girl" who grew up in the Land, and who, while never actually identified as such, could arguably be interpreted as the grown-up version of Holly from the series' first incarnation (indeed, that was the intention but casting choices led to this idea being dropped).
The Porter family — father Tom, son Kevin, and daughter Annie — are trapped in a parallel universe after their Jeep Cherokee fell through a time portal while exploring the back country.
Inside this parallel universe, the Porters come across an ill-tempered Tyrannosaurus rex known as "Scarface," a race of barbarian-like lizard people known as Sleestaks, and countless other dangers. However, amongst these dangers are a few helpful allies to the Porters. These allies include Christa, a beautiful cave-woman who was trapped in the Land of the Lost when she was a little girl, Tasha, a baby Parasaurolophus whose mother was killed by Scarface, and Stink, a member of a race of monkey-like people known as the Pakuni.
Land of the Lost provides examples of:
- Achilles' Heel: The alien cyborg was shown to be powerful enough it should've dominated everything else in the show...except for how it weakens extremely quickly in an oxygen-rich atmosphere. Its visual scanners could also be fooled by a 1980s camera.
- Another Dimension: crossed with Lost World. Somewhat ambiguous, as it resembles prehistory with dinosaurs but there are other, totally otherworldly creatures, including humanoid lizards, and three moons. The dinosaurs also coexist in time with bipedal proto-humans.
- Bottomless Fuel Tanks: That car could run out of fuel, but doesn't.
- Everything's Better with Dinosaurs: Dinos-a-plenty in this show, several of them are recurring ("Princes" is used as Christa's mount, and "Scarfare" routinely terrorizes the valley).
- Expository Theme Tune: "Our vacation began, mapping out a plan, but the map would never show us, danger down the road..."
- FaceHeel Turn: Annie in "The Crystal" after finding Shung's power crystal. She gets better near the end of the episode.
- Frazetta Man: The bipedal and talkative, but Ape-like Pakuni, represented by the supporting character Stink, and his grandfather, Opah.
- Future Slang: Spoken by time-traveling teen Simon Cardenas.
- Green Rocks: Crystals. Shung's sword is made of them and they power much of the Lost Technology. The Porters use some as batteries when their batteries run out.
- Hufflepuff House: The underground main Sleestak civlization, all we ever see are their artifacts from the ancient time when they lived on the surface, and three criminals who they exiled to the surface.
- Jungle Princess: Christa. A young woman who was stranded in the Land as a child and lives a primitive existence with the Pakuni survivor Stink, and possesses key knowledge of animals and plants native to the Land.
- Lava is Boiling Kool-Aid: Green Kool-Aid, in the case of the volcano in an episode of the first season, which is controlled (somehow) by an ancient Sleestak crystal something. The green lava pours down the conical volcano throughout the episode, threatening anything in its path (including the family's dwelling).
- Lizard Folk: The Sleestaks, anthropomorphic beings with reptilian features who wear chainmail and leather outfits. The show only depicts three of them who are criminals that were exiled to the surface, but supposedly there's a whole underground civilization of them.
- Lost Technology: Various ancient Sleestak devices and weapons.
- Lost World: There are many dinosaurs that are extinct on present day Earth, three moons (that drive the Dinos suicidally crazy when they align), and a number of species that don't exist on Earth, like the Sleestaks and Pakuni, and whatever that thing in the oil pool that grabbed Tom Porter was, and its other strange properties (crystals, swirling blue and green spacetime portals, etc) mark it as different from Earth.
- Meaningful Name: "Scarface," due to him having a scar through his right eye.
- Names to Run Away from Really Fast: Shung, the leader and most intimidating of the three Sleestak exiles.
- Ninja Pirate Robot Zombie: Cy, an alien cyborg time traveler from the future.
- Outnumbered Sibling: The Sorceress had several brothers. When Annie asked her how she survived, she said she turned them into toads. Annie entertained the thought of doing it to Kevin.
- Sufficiently Advanced Bamboo Technology: much of the aforementioned ancient Sleestak devices resemble artifacts of rocks and glowing crystals. Not quite Crystal Spiresand Togas though, the Sleestaks have a much more archaic vibe going on, although they never actually show their entire (underground) civilization, just the three criminals they exiled to the surface.
- Those Two Guys: Nim and Keeg, Shung's underlings.