Don't Get a Big Head

Don't Get a Big Head is the tenth episode of the second season of Shaggy & Scooby-Doo Get A Clue!.

Premise
Dr. Phineus Phibes is convinced that the sole reason he is continually defeated by Scooby and Shaggy is that he is simply not smart enough. Phibes uses a nano-formula that makes him super smart.

Cast

 * Frank Welker as Scooby-Doo
 * Scott Menville as Shaggy Rogers
 * Jeff Bennett as Dr. Phineus Phibes

Villains

 * Dr. Phineus Phibes