Revealing mistake: When Xena 'dies', her pulse is checked, and they can't find one, yet you can see her pulse in her neck. (00:30:30)
Revealing mistake: If you look carefully when Neelix shoots the bins of water causing the water to rush out you can see a faucet opening on one of the bins.
Revealing mistake: The eyes of the actor playing Gideon the robot can be seen through the eye slits of the robot mask in some shots.
Revealing mistake: When Lizzy is playing the piano-forte at Rosings for Mr. Darcy and Colonel Fitzwilliam, her arm movements show that the actress isn't trying to make it look like she's playing the instrument at all.
Revealing mistake: As Harm & Mac are returning to the US, we are told they are flying out of London Heathrow. But the stock footage of an airport used is actually London Gatwick, identified by its distinctive control tower, and not Heathrow.
Drew and Kate's First Date - S5-E12
Revealing mistake: Drew is supposedly naked underneath his trench coat yet you see his collar and pants underneath. But everyone is reacting as if he's actually naked.
Revealing mistake: Mitch is carrying a doll during the chase on foot – it's way too floppy to be an actual person.