S4·E95 Why Is Everyone Obsessed With This Seafood Spice?

No seafood boil is complete without the right seasoning. And everyone from the Mid-Atlantic knows that the "right seasoning" is Old Bay. But how has this simple spice bland cemented itself as a seafood staple? And when did people start using it on popcorn, potato salad, and around the rim of Bloody Marys?