Dear god, Belgian humor is really very very special xD . Basically, it's really dumb, but it's still brilliantly funny because they take themselves so seriously that they believe in what they're doing, and the jokes are like if you get all your uncles together at a party, having had too much to drink, and you hear all their nonsense.
In short, it's a parody of Back to the Future and Rambo with a touch of Friday the 13th with…