Character mistake: When John and Judy are running from the Robots he shouts "Run Penny!" even though Penny is not there. (00:34:21)
Infestation - S1-E3
Character mistake: When Maureen Robinson says that the ship is "trillions of light years" away from Earth, she should have said miles instead of years. A later episode correctly changes the distances involved to "trillions of miles."