You probably don't want to see the unpixelated version(NSFW).
On the other hand, it's considerably more surprising that the movie was written by the director of Guardians Of The Galaxy. That is, they're all the same person: James Gunn, aka the man who made us cry over a fucking tree.

*sniff* We are ALL Groot!
We'd make a joke about how writing Scooby-Doo taught Gunn what not to do when making a silly movie with a talking animal in it, but that wouldn't be accurate. By all accounts, the same goofy Gunn energy who made Guardians so good was there in the original Scooby-Doo draft. For one, he apparently wanted Scooby and Shaggy to get high onscreen, and for Velma to be a lesbian. It seems that, from the very beginning, Gunn wanted this movie to be a loving parody of Scooby-Doo, aimed squarely at adults.
The suits shot down the idea -- which, to be fair to them, makes financial sense. If you're spending money on a Scooby-Doo movie, you're doing it to sell lunchboxes and tiny T-shirts. You can't make a movie about a wacky talking dog and then get angry letters from parents who had to explain to a toddler what a bong is. The end result was a movie that lamely tried to split the difference, with jokes that were too confusing for kids and too tepid for adults.

But it hit the jackpot for 15-year-olds ... who had no interest in seeing it.
But a film that was hated by critics (30 percent on Rotten Tomatoes) charmed the kiddies to the tune of $275 million worldwide and earned Gunn the chance to write, uh, Scooby-Doo 2: Monsters Unleashed. Yay?
Guardians wouldn't come for another 12 years, at which point Gunn wrote a hit for all ages which starred a talking CGI animal and also included a joke implying the hero's spaceship was covered in semen. And everyone loved it! See? It was all about waiting for Hollywood to catch up to his vision.
Hey, speaking of the weird pasts of famous superhero movie directors ...