Grimsburg is an American adult animatedsitcom created by Catlan McClelland and Matthew Schlissel for the Fox Broadcasting Company.[1] Before its first-season premiere, the series was renewed for a second season in October 2022.[2] The series premiered on the Animation Domination programming block on January 7, 2024. The first season concluded on May 12, 2024 and the second season premiered on February 16, 2025. The second season concluded on July 17, 2025.[3] In May 2025, the series was renewed for a third season.[4]
The series takes place in the town of Grimsburg, where detective Marvin Flute may be the greatest detective, but cannot figure out his own family.[1]
Voice cast
The main characters of Grimsburg (From top to bottom) Mr. Flesh, Stan Flute, Harmony Flute, Dr. Rufis Pentos, Det. Greg Summers, Lt. John Kang, Wynona Whitecloud, Otis Volcanowitz, and Marvin Flute.
Main
Jon Hamm as Marvin Flute, Grimsburg's finest detective who is Stan's estranged father and Harmony's ex-husband. He returns to his hometown to try to solve the greatest mysteries: himself and his family.
Greg Chun as Lt. John Kang, Marvin's mentor who teaches him important lessons about detective work.
Rachel Dratch as Stan Flute, Marvin and Harmony's son who is trying to get his parents back together.
Erinn Hayes as Harmony Flute, Marvin's ex-wife and Stan's mother who was raised by bears, and has a job as an anchor woman.
Kevin Michael Richardson as Det. Greg Summers, a newer member who became a cyborg after an accident involving a carousel. It is revealed in season 2 that Summers was actually a worker for the carousel rather than a cop before the accident. The cyborg procedure was supposed to be for an actual cop but mistakenly went to Summers.
Dr. Rufis Pentos, Marvin's former music teacher-turned-nemesis.
Mr. Flesh, Stan's imaginary friend, who appears to Stan in order to get him to do something bad or crazy.
Recurring
Wendi McLendon-Covey (season 1) as Chief Stamos, Marvin's boss and the former chief of the Grimsburg Police Department. She had a silent cameo in the season 2 episode, "CrimeCon"
Kaniehtiio Horn as Wynona Whitecloud, a mortician and Summers’ love interest
Rosie Perez as Martina Martinez who takes over as the chief of the Grimsburg Police Department in season 2.
Jaime Camil as Mayor Dilquez, the mayor of Grimsburg
Marvin comes across Lil Betsy, a former child star turned murder suspect, putting his popularity in jeopardy. After hearing the news about Lil Betsy, Stan and Mr Flesh film Stan an audition to replace her with not so hopeful results.
11
11
"And the Winner Is... Murder!"
Caitlin VanArsdale
Catlan McClelland & Matthew Schlissel & Chadd Gindin
In October 2021, Fox ordered Grimsburg straight-to-series.[1]Bento Box Entertainment is the animation studio.
In October 2022, Fox renewed it for a second season, ahead of its premiere on January 7, 2024.[2]
In May 2025, the series was renewed for a third season.[4]
Reception
The review aggregator website Rotten Tomatoes reported a 63% approval rating based on 8 critic reviews.[33]Metacritic, which uses a weighted average, assigned a score of 58 out of 100 based on 6 critics, indicating "mixed or average reviews".[34]
Notes
↑ Credited as Fox Entertainment Studios for first season
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