The Green Fog is an experimental film directed by Guy Maddin, Evan Johnson and Galen Johnson, that loosely revisits the plot of Alfred Hitchcock's 1958 film Vertigo through a collage of found footage repurposed from old movies and television shows set in San Francisco.

[1] It then entered limited release on January 5, 2018 and began to tour international festivals.The film features an original score by composer Jacob Garchik and Kronos Quartet.

[6] While the film has not received any negative reviews, New York Times critic Ben Kenigsberg, noted Maddin's "slight arrogance in presuming that one of the greatest films of all time [Hitchcock's Vertigo ...] could be approximated, even a little, using clips from lesser directors" but also notes that "if trying to recreate a lost object of obsession from the materials at hand was Hitchcock’s subject, then he couldn’t ask for a more fitting tribute" and calls the movie " a marvel of film scholarship.

"[7] Ty Burr, writing for the Boston Globe, called the film "eerie, witty, and unexpectedly moving" and compared it to Christian Marclay's installation film The Clock.

[8] Critics also noted that, in addition to serving as a tribute to Hitchcock's Vertigo and a method of deconstructing its own self-critical aspects (which Maddin has discussed in interviews),[9] the film pays homage to the city of San Francisco and its stature in film history, serving as "a scrambled history of San Francisco told through moving pictures.