Federal Bureau of Investigation

The Federal Bureau of Investigation (FBI) is the domestic intelligence and security service of the United States, and its principal federal law enforcement agency.

Agents

 * Celia Clyde
 * Gnarlie Charlie

Season one
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Season one
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Appearances

 * A Pup Named Scooby-Doo
 * 109.
 * What's New, Scooby-Doo?
 * 103.

Scooby-Doo! Mystery Mayhem
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