The best "robots" ever. The robots in this show are way better than anything ever, in any show, anywhere. They are possibly unbeatable. Whoever conceived them, and the artists that rendered them, deserve an Emmy on that alone.

The scenery and alien landscapes are 10+. The space scenes are 10+ but a little implausible (Season 3). You could not have a ship orbiting a star that close. The temperature would vaporize even metals besides Tungsten, and especially a double star, which, if those stars were that close they'd be distended by gravity and there'd be a stream of hot plasma streaming between them and no orbit would be stable. The "asteroid" field would have pulverized itself into Saturn style rings within years or decades. You can't have a 2 mile deep valley with livable atmospheric pressure while the rest of the planet is vacuum. It's all total fantasy and I don't know why they bothered doing that when realistic scenarios would have been just as good visually. Also the people are too smart and capable. Judy Robinson is, wait, a doctor, a physicist, a technician who can fix a spaceship with bubblegum and a pencil, a captain, a star athlete, can climb vertical rock faces like she has rocket boots on etc etc it goes on and on. The show spends a lot of time on soggy emotions, worrying about inter-personal drama trivialities while they are struggling for their very survival.

But, if you accept all that stuff, the show is top notch. The stories are pretty good. There are enough surprises to make it interesting (lack of predictability).

As a note, if this show is intended for kids, the robots are way too scary. I think they would give children nightmares, really.