With its gripping storytelling and somehow compelling and totally non-cheesy reenactments - it's the perfect binge-watch.
But while the Netflix series is most-buzzed about of the moment, some might not know it's actually a reboot of the wildly popular mystery series from the 1990s.
Running on NBC and CBS for 12 years between 1987 and 1999, the series - hosted by Robert Stack - was a huge hit with true crime fans back in the day when the now crazily-popular genre was in its infancy.
While Netflix's reboot offers just six cases for armchair detectives to get their teeth into, the original series spawned a massive 580 episodes.
You know what that means don't you, amateur sleuths? That's 580 more mysterious unsolved cases for us to have a go at solving! And the best part? You can watch them!
Yes, all 12 series are currently available to watch on Amazon Prime Video.
If you have a Prime account, they're totally free, but if not, they're £1.49 an episode - which could get pretty expensive if you're on a mission to complete them all.
Otherwise, you can get a Prime free trial or sign up to the streaming service for £7.99 a month. One to think about...
Much like the UK's Crimewatch, the original Unsolved Mysteries was credited with bringing increased attention to the cases featured and solving more than 260 mysteries.
The great news is that the reboot seems to be having a similar effect.
According to show producers, they've already received 20 "credible" tips involving the six unsolved cases featured in the series.
We can't wait to dig our teeth into the rest of these case. Detective hat officially ON.
Watch Unsolved Mysteries series 1 to 12 on Amazon Prime here now.
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