Fans Never Noticed These Things About Lost in Space Lost in Space isn't just retro TV, it’s a vault of secrets. Most fans remember the campy humor and the Robot's iconic warnings, but few realize the chaos behind the scenes. Did you know the most memorable character wasn’t even in the original pilot? Or that a live llama nearly ruined an episode? If you love classic sci-fi, backstage drama, or hidden TV history, this is for you. We’ve uncovered forgotten facts, rare cast confessions, and production quirks from trusted interviews, archives, and insiders. Buckle up, these 20 facts will change how you see the show forever.