20 Mind-Blowing Facts You Never Knew About How I Met Your Mother

5. The Websites Are All Real

A big How I Met Your Mother fan and got a few hours to kill? Then you should really check out the barrage of tie-in websites for the show. Even if you're aware of Barney's Blog and other more obvious sites, there's probably one you've never seen; pretty much every website mentioned in the series has its own real life counterpart, no matter how obscure.

They're surprisingly in-depth, with plenty of additional jokes that compliment the series. Highlights have to be TedMosbyIsAJerk.com (from the girl Barney slept with pretending to be Ted), PuzzlesTheBar.com and NotAFathersDay.com, but they're all worth checking out. Carl MacLaren, the inspiration for the bar's name, is the guy behind making these in-jokes a reality; he has a bar named after him and a ridiculously cool job.