Big Ben (clock)

Big Ben is a part of London

Scooby-Doo and Scrappy-Doo (first series)
Mystery Inc. visited Londonworld to allow Velma Dinkley to live her dream of solving a mystery with Sherlock Holmes. At Londonworld, Velma and the rest of the gang try to solve a preset mystery with the assistance of a robot modeled after Sherlock Holmes; the mystery was that of the stolen royal Crown Jewels.

Appearances

 * Scooby-Doo and Scrappy-Doo (first series)
 * 102. The Night Ghoul of Wonderworld