I'm a big fan of sci fi starting with Lost in Space the original series. It was very innovative in it's time and, of course, every show must have the antagonist. So Dr Smith was a great way to intro that into an otherwise perfect family. He was malicious but bumbing. A harmless idiot, in many respects. At least he was a real scientist. But here, the use of a murdering criminal female really fails to add any interest to this Netflix reboot. The actress is badly miscast, in any event. But most of the characters do remind us of the stoic, highly intelligent yet human Robinson family. There are other differences, in particular that the robot doesn't come with the family from earth. Will is an exceptionally gifted kid, which I don't recall from the original series but Bily Mummy's Will Robinson was bright.

The biggest difference is in the CGI and modern space travel theme, all of which make this a watchable series. There is a lot of action with the fam having to get themselves out of impossible situations, just as the original, with a side of focus on the family. I felt there were too many memories on earth visions but over all this series tries to keep the action and tension with some moments of relief and success. But another difference is this series uses a cliffhanger approach instead of the one escapade & wrap-up per episode. I prefer the one & wrap myself, which helped to make Star Trek TNG the most watched sci fi series ever to this day.

While S1 intro'd Robot, I actually took a break (initially didn't plan to continue) before S2 because there was not enough interest - despite Robot - and too much Dr Smith. S2 actually is a but more interesting. I'm not through S3 yet.