Find out more about the binaural process here. Sally Sparrow in 'Scooby Doo's house' in Blink The episode begins with a literal ‘knock knock’ as Shireen uses the knocker on Bill’s door.

The best "Scooby-Doo" movies are more than enough to keep ... So, hop into the Mystery Machine and set course for the nearest haunted house, because we're here to solve a mystery.