Steve Emmerson, an apparent expert on terrorism and Islamic extremism, was invited on to discuss the fallout from the deadly attacks in Paris this week.
It fell apart quickly however when he claimed, among other things, that Birmingham was a Muslim-only city.
"In Britain, it's not just no-go zones, there are actual cities like Birmingham that are totally Muslim, where non-Muslims just simply don't go in," Emmerson says, to the evident disbelief of the presenter in the studio.
"And parts of London, there are actually Muslim religious police that actually beat and actually wound, seriously, anyone who doesn't dress according to Muslim, religious Muslim attire. So there's a situation that western Europe is not dealing with."
Don't believe us? Here's the video:
Rather brilliantly, what could have been another opportunity to stare into the abyss that is Fox News and its knowledge of the wider world, people took it upon themselves to make light of the situation, presenting a series of claims that only Fox News could make, under the hashtag #FoxNewsFacts.
Here are some of our favourites:
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