I just saw this on Amazon and wanted to share. I don't know if I really see it becoming any cheaper during Black Friday, so I bit.
http://www.amazon.com/Lost-Space-Complete-Adventures-Blu-ray/dp/B011QLB4B0/ref=sr_1_2?ie=UTF8&qid=1447634533&sr=8-2&keywords=lost+in+space
http://www.amazon.com/Lost-Space-Complete-Adventures-Blu-ray/dp/B011QLB4B0/ref=sr_1_2?ie=UTF8&qid=1447634533&sr=8-2&keywords=lost+in+space