Gumball and Darwin, the mischievous duo from the town of Elmore, were up to their usual antics. One day, they decided to embark on a quest to find the elusive "Funniest Joke in the Universe," a rumor that had been circulating around their school.

As they set out on their journey, they encountered a series of hilarious obstacles. First, they accidentally stumbled into the principal's office, only to find him in the midst of a dance-off with the school janitor. Gumball and Darwin, being the pranksters they were, couldn't resist the temptation to join in, leading to a hilarious dance battle that left the entire school in stitches.

Undeterred, the duo continued their search, encountering a group of talking squirrels who claimed to know the secret to the funniest joke. However, their attempt to extract the information from the squirrels resulted in a comical chase through the town, complete with Gumball and Darwin trying to outrun the furry creatures while cracking their own jokes.

Just when they thought they had hit a dead end, the boys stumbled upon a mysterious professor who promised to reveal the secret to the funniest joke. Intrigued, they followed the professor to his laboratory, only to find themselves trapped in a maze of laughter-inducing gadgets and gizmos. After a series of hilarious mishaps, they finally managed to escape, but not before discovering the true secret to the funniest joke: laughter itself.

As Gumball and Darwin returned to Elmore, they couldn't help but share their newfound wisdom with their friends and family, leading to a series of side-splitting moments that had the entire town in stitches. From then on, the duo became known as the comedic masters of Elmore, inspiring laughter and joy wherever they went.