In this fun and nostalgic journey through the history of animation, a group of iconic Hanna-Barbera characters comes together to celebrate half a century of laughs and adventures. The plot begins when an elderly inventor reveals that his time machine needs a dose of "classic fun" to work. Without a second thought, beloved characters like Scooby-Doo, Yogi Bear, the Jetsons, and the Flintstones gang embark on a mission to collect the most memorable moments from their respective series.
As they launch into different eras, the heroes come face to face with their past selves and must work together to overcome funny and wacky challenges that will test their wit and bravery. From solving mysteries in prehistoric times to soaring through the futuristic skies of the Jetsons, each trait that makes them unique becomes the key to returning home.
However, an unexpected enemy from their past reappears, trying to sabotage the celebration. With time running out and fun at stake, the gang must band together like never before to protect their legacy and ensure that the magic of Hanna-Barbera endures for generations. With moments full of action, laughter, and a touch of sentimentality, this tribute becomes an explosion of joy that encapsulates the true spirit of animation. It's the party that all fans have been waiting for!