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Entertainment • Fantasy

The Green Knight

The Green Knight is a 2021 fantasy film written and directed by David Lowery, based on the Middle English Arthurian romance *Sir Gawain and the Green Knight*.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

The Green Knight is a 2021 fantasy film written and directed by David Lowery, based on the Middle English Arthurian romance *Sir Gawain and the Green Knight*. It stars Dev Patel as Sir Gawain, who undertakes a perilous quest after accepting a supernatural challenge from the Green Knight.

Plot premise

The story begins when the Green Knight appears at King Arthur’s court and proposes a beheading game. Sir Gawain accepts the challenge and later must journey to face the consequences of his vow.

Source material

The film is based on the late-14th-century Middle English poem *Sir Gawain and the Green Knight*, an Arthurian romance in which Gawain’s character is tested through a supernatural contest and quest.

Style and interpretation

David Lowery’s film is widely described as a bold, atmospheric reimagining rather than a straightforward retelling. It emphasizes ambiguity, symbolism, and Gawain’s moral and personal trials.

Literary significance

The Green Knight is one of the most recognisable figures in Arthurian literature. In both the poem and the film, the character functions as an external test of courage, integrity, and social ideals.

Key facts

  • The film is an adaptation of the Arthurian poem *Sir Gawain and the Green Knight*.
  • It follows Sir Gawain after he accepts the Green Knight’s beheading challenge.
  • Dev Patel plays Gawain, the nephew of King Arthur.
  • The film presents a stylized, atmospheric interpretation of medieval legend.
  • The Green Knight character is a supernatural challenger tied to themes of honour, testing, and fate.

Frequently asked questions

What is The Green Knight?
It is a 2021 fantasy film directed and written by David Lowery, adapted from the Arthurian poem *Sir Gawain and the Green Knight*.
Who stars in The Green Knight?
Dev Patel stars as Sir Gawain.
What is the story based on?
It is based on the medieval poem *Sir Gawain and the Green Knight*, an Arthurian romance about a supernatural challenge and quest.
Who is the Green Knight?
In the source legend, the Green Knight is a mysterious supernatural figure who challenges Arthur’s court and tests Gawain.
Is The Green Knight a faithful adaptation?
It is generally described as an interpretive, stylized adaptation rather than a literal retelling of the poem.

References

  1. IMDb — https://www.imdb.com/title/tt9243804/plotsummary/
    Supports: Identifies the 2021 film, its plot premise, David Lowery as filmmaker, and Dev Patel as Sir Gawain.
  2. Wikipedia — https://www.wikia.com/wiki/Sir_Gawain_and_the_Green_Knight
    Supports: Provides the poem’s core plot and identifies the Green Knight as the challenger in the beheading game.
  3. History Extra — https://www.historyextra.com/period/medieval/sir-gawain-and-the-green-knight-story-summary-what-about-who-wrote-bertilak/
    Supports: Describes the medieval poem as an English Arthurian romance from around 1380 and summarizes the Green Knight’s role.
  4. SparkNotes — https://www.sparknotes.com/lit/gawain/summary/
    Supports: Summarizes the poem’s opening challenge at Arthur’s court and Gawain’s acceptance of the game.