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The Mysterious Benedict Society

The Mysterious Benedict Society is an American mystery-adventure television series based on Trenton Lee Stewart’s children’s books.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

The Mysterious Benedict Society is an American mystery-adventure television series based on Trenton Lee Stewart’s children’s books. It follows four gifted children recruited by the eccentric Mr. Benedict to stop a global crisis known as “The Emergency.” The series premiered on Disney+ in 2021 and ran for two seasons.

Premise

Four gifted children are recruited by Mr. Benedict to investigate a global emergency and uncover the plans of his twin brother, Mr. Curtain. The children pose as students at a mysterious boarding school while working to stop a world-threatening scheme.

Production and broadcast

The television series was developed by Matt Manfredi and Phil Hay and produced for Disney+. The first season premiered in June 2021, and the series later received a second season.

Source material

The show is based on Trenton Lee Stewart’s children’s book series, which began with the 2007 novel The Mysterious Benedict Society. The books follow the same central group of children and their conflict with Mr. Curtain.

Cast and characters

Tony Hale portrays both Mr. Benedict and Mr. Curtain. The main child characters are Reynie Muldoon, Sticky Washington, Kate Wetherall, and Constance Contraire.

Key facts

  • The series is adapted from Trenton Lee Stewart’s novel series.
  • Tony Hale plays Mr. Benedict and his twin brother, Mr. Curtain.
  • The first season premiered on Disney+ on June 25, 2021, and had eight episodes.
  • A second season was ordered in September 2021 and premiered in 2022.
  • The story centers on Reynie, Sticky, Kate, and Constance, four gifted children.

Frequently asked questions

What is The Mysterious Benedict Society?
It is a Disney+ mystery-adventure television series based on Trenton Lee Stewart’s children’s novels.
Who created the TV series?
The series was developed by Matt Manfredi and Phil Hay.
Who stars as Mr. Benedict?
Tony Hale plays Mr. Benedict, and he also portrays Mr. Curtain.
When did the series premiere?
It premiered on Disney+ on June 25, 2021.
How many seasons does it have?
The series ran for two seasons.
What is “The Emergency” in the story?
It is the name given to the global crisis the children are trying to stop.

References

  1. Wikipedia — https://en.wikipedia.org/wiki/The_Mysterious_Benedict_Society_(TV_series)
    Supports: Series format, premise, premiere date, cast, season count, and adaptation details.
  2. Wikipedia — https://en.wikipedia.org/wiki/The_Mysterious_Benedict_Society
    Supports: Book series background and relationship to the TV adaptation.
  3. Encyclopedia of Arkansas — https://encyclopediaofarkansas.net/entries/trenton-lee-stewart-5183/
    Supports: Author information and publication context for the book series.