Penny and Maureen become trapped in a mysterious metal trench. Meanwhile, Don falls prey to a nasty toxin.
Did You Know?
While walking away from the handcuffed "Dr. Smith", Maureen calls her "Jessica Harris... or whoever you are." Her name in the first few episodes and in the credits is "June Harris" - a nod to June Lockhart and Jonathan Harris, the original Maureen Robinson and Dr. Smith, respectively. See more
Shortly after Maureen & Penny fall over the waterfall, there's a shot of John looking over the edge of the waterfall at them. In that shot, you can see the remains of the broken mast, which actually breaks just after this scene. It's a duplicate of the same shot used later, after the mast breaks. See more
[angry, still lying in the infirmary
This is how it normally works. When you launch, someone announces, "Hey, we're about to take-off, so you might wanna strap in"! Or, for example, "Hey, if you gotta go pee-pee, you might wanna do it now, because it's gonna be a while"!