Et Tu, Scoob?

Et Tu, Scoob? is the first part of the ninth episode of the first season of The Richie Rich/Scooby-Doo Show.

Premise
While in Italy, the gang stops for a pizza with pepperoni, anchovies, garlic, chocolate sauce, and whipped cream before they head over to the Colosseum ruins, but when they get there, they discover they are back in time and face and angry lion and a gladiator.

Cast and Characters

 * Don Messick as Scooby-Doo and Scrappy-Doo
 * Casey Kasem as Shaggy Rogers