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Oct. 1, 2025
LOS ANGELES — A night of Halloween cosplay goes straight to hell for the Griffin family's most unlikely duo. "Family Guy: Happy Hell-o-ween," the new standalone special from the 24-season animated sitcom, premieres Oct. 5 on Hulu, bringing Kieran Culkin aboard as the voice of the Devil.
The special, first revealed at San Diego Comic-Con during the show's annual panel, opens with Brian and Stewie headed to a masquerade ball. A car accident changes their travel plans for good, landing them in the underworld — where they quickly discover the Devil runs a surprisingly low-key operation.
Culkin was announced as the voice of the Devil at the convention, and the trailer confirms why the casting generated buzz. The actor plays the ruler of hell with easy, devil-may-care charm, a sharp contrast to the corporate Roman Roy that won him an Emmy in "Succession." Culkin's recent Oscar nomination for "A Real Pain" has also kept him in the awards conversation, making this voice gig a lighter detour in a busy stretch of screen roles.
The comedy accelerates the moment Stewie clocks in. Never one to accept management he doesn't control, the baby genius immediately implements sweeping policy changes, standing before a crowd of the damned and declaring "All torture is voluntary now" with complete confidence. The line works as both a classic Stewie power grab and a sly send-up of corporate wellness culture.
Peter Griffin's arrival complicates things further. Spotting his father in hell, Stewie gets a deadpan confession about choking on an unchewed Now and Later. Then Peter vanishes, leaving the underworld in even greater disarray. The trailer also promises a mariachi band amid the fire and brimstone, a detail that has already become fan fuel online.
While the show has tackled Halloween before — from "Halloween on Spooner Street" to "A Very Episode with a Very Halloween" — "Happy Hell-o-ween" is the first full-length standalone holiday special in the series' run. It follows the tradition of other Family Guy specials like the "Star Wars"-spoofing "Laugh It Up, Fuzzball" trilogy, but trades those films' big-screen reverence for something much darker, and much funnier.
For Hulu, the release continues the streamer's track record of turning adult-animation favorites into seasonal event programming. The Walt Disney Company, which owns both Hulu and this ABC station, has kept "Family Guy" on air well past most of its 1990s peers, and the special reinforces the show's status as a durable pillar of the platform's animated slate.
No additional casting has been announced beyond Culkin, though the trailer suggests more underworld surprises in store. "Family Guy: Happy Hell-o-ween" begins streaming Oct. 5 exclusively on Hulu — in time for viewers to book their own afterlife detours before the real holiday arrives.
