I have seen this movie on VHS a couple of times with my young son, so I don't really know about the blue ray quality. Nevertheless, the movie is great. It dates, but the action is omnipresent, the members of the family that must leave for space, the idea of the mutant spider, the parallel universe and the time distorsions are most interesting. Obviously, young children see an entertaining movie, while adults show more curiosity and start a reflexion. Of course, there are a couple of irrealistic scenes, like flying throuh the sun or the strange planet while it desintegrates. But it is about Lost in Space and it fits well. Even Smith is there, and he is as bad as one can be. I also like the flight of the small space jets at the beginning of the movie: you understand that driving a spaceship in atmosphere zero is far from easy and mostly not like it is in Star Wars... But I don't care about the commando guy that is recruited to fly the ship. They could have done without him. Certainly not a 5 stars, it disserves a 4 stars because of the originality of the story, the action and because it reminds me of the series so badly done in the 70's.