Starring: Frank Welker (Scooby-Doo, Fred Jones), Matthew Lillard (Shaggy Rogers), Grey DeLisle (Daphne Blake), Kate Micucci (Velma Dinkley)
The harvest moon rises again over the Louisiana Bayou, and this time, the terrified citizens of New Orleans know there are absolutely no masks to pull off. Scooby-Doo! Zombie Island 3: The Moonscar Legacy wisely ignores the disappointing “swamp gas” theories of the previous sequel, plunging Mystery Inc. back into a desperate, high-stakes fight for their lives against genuine, powerful supernatural forces.
It’s been years since Mystery Inc. first faced the soul-stealing cult on Moonscar Island. Now, the gang is reunited in New Orleans for a much-needed break from debunking human villains. However, their vacation is immediately interrupted when strange, intricate voodoo symbols—linked to the Cat God—begin appearing across the French Quarter. These symbols act as a contagious curse, systematically turning the city’s citizens into feral, supernaturally strong cat-creatures with glowing yellow eyes.
The danger escalates when the spectral form of the cursed pirate, Morgan Moonscar, returns. But this time, the pirate ghost isn’t an enemy; he is a desperate, tormented omen, warning the gang that the ancient, malevolent Cat God has fully awakened. The deity, still seeking vengeance for the destruction of its high priestess and acolytes years ago, is opening a massive, chaotic portal beneath New Orleans to claim the entire city as its eternal hunting ground.
Fred, Daphne, Velma, Shaggy, and Scooby realize they are out of their depth. They must team up with a mysterious, powerful bayou sorceress who has spent her life tracking the Cat God’s lineage. The sorceress guides them through the dark underbelly of the city, teaching Velma that not every problem can be solved with logic, and proving that sometimes, even the most meticulous trap won’t hold a demonic entity.
As the stroke of midnight on Halloween approaches, the gang races to close the dimensional portal. With darker, atmospheric animation, genuinely high stakes, and terror that feels all too real, Mystery Inc. learns once again that when the bayou calls, “it’s terror time.” This film is a necessary, terrifying return to the classic formula that proved supernatural forces can, and sometimes do, exist.