<P> Five years ago, a gigantic dragon robot attacks the Quest Industries, then promptly vanishes, leaving security guard Radley Crowne's dog Reggie unconscious . Dr. Benton Quest works to revive the dog . In the present day, the same robot attacks the gang at City Hall as they begin their investigation into the purpose of the Planispheric Disk . However, the gang is saved by Blue Falcon and Dynomutt who explain that they have been tracking the robot for years . Velma rudely tells the heroes that Crystal Cove is their turf and Blue Falcon offers the gang to tag along . Together, they find that Quest Industries has been sold to Destroido . Upon investigation, the dragon - robot attacks, intending to kidnap Dynomutt only to make off with Scooby - Doo instead . Using a tracking device located on Falcon's belt, the gang and Dynomutt are able to locate Dr. Zin's lair and save their friends . </P> <P> Overarching Mystery Event: Velma's primitive recorder, used on the Planispheric Disk, yields the word "Nibiru". </P> <P> Villains: Dragon Battle Suit / Jenny Zin, Dr. Zin </P> <Tr> <Th> 41 </Th> <Td> 15 </Td> <Td> "Theater of Doom" </Td> <Td> Curt Geda </Td> <Td> Joe Flaherty & Paul Rugg </Td> <Td> August 17, 2012 (2012 - 08 - 17) </Td> </Tr>

Scooby doo mystery incorporated season 1 episode 1 full