When Scooby-Doo, Where are You! first aired in 1969 under Hanna-Barbera, it aired on CBS and only ran for, you guessed it, two seasons, ending in 1970.

Scooby-Doo, Where Are You! featured some memorable villains throughout its run. These stand as the series' most iconic.

Scooby-Doo's first series was already filled with plenty of classic masked monsters.

Let’s talk about suspension of disbelief and Scooby Doo, Where Are You? Seems a fair topic ahead of Halloween. Why not?