![Toby Jones on Twitter: "This week is the anniversary of the OK KO! episode "MONSTER PARTY"! When the greenlight for our Ghoul School crossover came through, we decided to save our originally Toby Jones on Twitter: "This week is the anniversary of the OK KO! episode "MONSTER PARTY"! When the greenlight for our Ghoul School crossover came through, we decided to save our originally](https://pbs.twimg.com/media/EHr28CbUYAEEm2q.png)
Toby Jones on Twitter: "This week is the anniversary of the OK KO! episode "MONSTER PARTY"! When the greenlight for our Ghoul School crossover came through, we decided to save our originally
![Scooby-Doo History on Twitter: "On this day in 2017, OK KO Let's Be Heroes first aired! Scooby Fact: in the episode “Monster Party” the ghoul school girls make an appearance. @HannaBarberaCap https://t.co/tO96vizrcm" / Scooby-Doo History on Twitter: "On this day in 2017, OK KO Let's Be Heroes first aired! Scooby Fact: in the episode “Monster Party” the ghoul school girls make an appearance. @HannaBarberaCap https://t.co/tO96vizrcm" /](https://pbs.twimg.com/media/FZFvbjwWQAUvr1t.jpg)
Scooby-Doo History on Twitter: "On this day in 2017, OK KO Let's Be Heroes first aired! Scooby Fact: in the episode “Monster Party” the ghoul school girls make an appearance. @HannaBarberaCap https://t.co/tO96vizrcm" /
![ianjq on Twitter: "Happy Halloween SURPRISE! OK KO!'s Halloween special "Monster Party" just went live on CN's website(and CN app and likely your cable system's VOD service)! Enid has a reunion with ianjq on Twitter: "Happy Halloween SURPRISE! OK KO!'s Halloween special "Monster Party" just went live on CN's website(and CN app and likely your cable system's VOD service)! Enid has a reunion with](https://pbs.twimg.com/media/DobrZYRVsAIc9DZ.jpg)