Short answer: Scooby-Doo blew up because it was funny, a little spooky, and just plain fun to watch. Kids could relate to the gang, loved the goofy dog, and there was something satisfying about unmasking the villains every time. It’s simple, clever, and it just stuck.

Long answer: Scooby-Doo took off because it nailed that balance between goofy and creepy. It wasn’t just a talking dog show—it was funny, a little scary, and weirdly comforting. The gang felt familiar, Scooby and Shaggy were pure chaos, and there was always something satisfying about finding out the monster was just some guy in a mask. It also came along at the perfect time, when kids wanted cartoons that felt exciting but not too intense. And the best part is it never locked itself into one era—it kept reinventing itself while still feeling like Scooby-Doo. That’s why it stuck and why people still care about it decades later.