Ruh-roh! That's not a real monster. - Scooby-Doo

"Ruh-roh! That's not a real monster."

Scooby-Doo Truth

More from Scooby-Doo

"Scooby-Dooby-Doo, where are you?"

"Ruh-roh!"

"Like, zoinks!"

"Let's split up, gang!"

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."