Scooby-Doo Pop Quiz

In which ScoobyDoo episode did Scooby's cousin, Dooby-Doo, appear in?
Choose the right answer:
Option A Scooby goes Hollywood
Option B Scooby Doo and Zombie Island
Option C Scooby Doo and the Ghoul School
Option D The "Dooby Dooby Doo" Ado
 Ellie_Manny_Fan posted over a year ago
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