Joker: Folie à Deux

film by Phillips [2024]

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July 22, 2026

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Joker: Folie à Deux is a 2024 film that serves as a sequel to the 2019 movie Joker. The title, "Folie à Deux," is a French term meaning "double madness". In psychiatry, it refers to a condition where delusional ideas are shared between two closely associated individuals.1

The film stars Joaquin Phoenix, reprising his role as the Joker, and Lady Gaga as Harley Quinn. The plot centers on the Joker falling in love with Harley Quinn, and the movie features them singing duets together. The term "Folie à Deux" has gained recent prominence due to this film, though its history in English dates back to the late 1800s, originally used in psychiatric contexts.231

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the Joker
…Joker (2019) and its sequel Joker: Folie à Deux (2024). Both Ledger and Phoenix won Academy Awards for their portrayals of the character.
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…Joker (2019) and its sequel Joker: Folie à Deux (2024). Both Ledger and Phoenix won Academy Awards for their portrayals of the character.
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Lady Gaga
Acting and activism
…opposite Joaquin Phoenix’s Joker in Joker: Folie à Deux. The movie featured numerous scenes of the pair singing duets, and, after filming was complete, Lady Gaga was inspired by her character to record a companion album, Harlequin, that contains jazz standards and two original songs; it was released at the…
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…opposite Joaquin Phoenix’s Joker in Joker: Folie à Deux. The movie featured numerous scenes of the pair singing duets, and, after filming was complete, Lady Gaga was inspired by her character to record a companion album, Harlequin, that contains jazz standards and two original songs; it was released at the…
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Joaquin Phoenix
Later career: Joker and Napoleon
…world of Gotham City in Joker: Folie à Deux, a sequel to the 2019 hit. In it, Phoenix’s Joker falls in love with Lady Gaga’s Harley Quinn, and the movie featured the two singing duets.
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…world of Gotham City in Joker: Folie à Deux, a sequel to the 2019 hit. In it, Phoenix’s Joker falls in love with Lady Gaga’s Harley Quinn, and the movie featured the two singing duets.
Read More