Factual error: The bad guys are supposedly auctioning off the stolen Mona Lisa. But they and their prospective buyers aren't very art savvy. The painting is more than twice the size of Da Vinci's actual masterpiece. (00:44:50)
Factual error: Major Robinson threatens Steed with a revolver equipped with a silencer. A military officer would certainly know better. Though it's a common movie and TV cliché, it is a glaring error. Revolvers are open-chambered, allowing sound to escape out the back of the barrel - so they can't be silenced. There are rare exceptions if the gun is heavily modified to close the open chamber gap, but that does not apply to the weapon featured here. (00:46:00)