"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.

See how your favorite snack-munching canine super-sleuth got his start as the first five Scooby-Doo episodes ever unleashed - the series pilot What a Night for a Knight, plus Hassle in the Castle ...

The Scooby Gang go to the grand reopening of Grimsly Mansion and find themselves in a mystery to find a lost treasure.