"What a Night for a Knight" is the first episode of Scooby-Doo, Where Are You!, which means its monster-of-the-day, the Black Knight, is the first villain Scooby and his friends have ever faced.

Fred, Daphne, Velma, Shaggy and Scooby-Doo move to a small town called Crystal Cove, investigating a series of mysteries in one of the most haunted places on Earth ...