Ep 9. The Fastest Fast Food Fiend!

In Scooby Doo! And Guess Who? season 1 episode 9, titled "The Fastest Fast Food Fiend!", the Mystery Inc. gang teams up with none other than the Flash himself, Barry Allen. They are on a mission to figure out who has been sabotaging a popular fast food restaurant chain, which just happens to be Barry's favorite place to eat.

As they investigate, they discover that the culprit is using some high-tech gadgets to disable the restaurant's machinery and cause chaos. The gang suspects a rival fast food chain is behind these attacks, but as they dive deeper into their investigation, they uncover a more sinister plot involving a former employee seeking revenge on the restaurant for firing him.

Throughout the episode, Barry helps the gang with his amazing speed, whether it's chasing after the suspect or using his powers to uncover clues that would otherwise be hidden from sight. The action really picks up towards the end as they race against time to stop the culprit before they cause irreparable damage to the restaurant chain.

As with every episode of Scooby Doo!, there are plenty of laughs along the way, particularly between Scooby and Shaggy who can't resist indulging in their favorite fast food during the investigation. Fans can also expect some clever nods to the Flash comics and TV series throughout the episode.

"The Fastest Fast Food Fiend!" is a thrilling adventure that combines mystery, humor, and superhero action. It's a must-watch for fans of Scooby Doo! and the Flash alike.