The Amazing World of Gumball: The Movie (2023) online

Gumball's biggest fan finds the show's missing episode and accidentally opens a portal connecting his world to Gumball's cartoon world. Upon meeting his heroes, our super fan decides to team up with Gumball, Darwin, Anais, Richard and Nicole to save them from a nefarious force overtaking Elmore, while inadvertently unleashing a threat of their very own.