Maria Bakalova was told live on set during a take by Judd Apatow that she had been nominated for an Academy Award for Best Supporting Actress in Borat, nouvelle mission filmée : Livraison bakchich prodigieux pour régime de l'Amérique au profit autrefois glorieuse nation Kazakhstan (2020).
During the promotional campaign that started on March 2, 2022, the film was initially advertised as "Cliff Beasts 6: The Battle for Everest: Memories of the Requiem". Even the official poster and the teaser trailer bore that title. The actual title was announced in the trailer that was released a few days later, and it was confirmed that "Cliff Beasts 6" was the film-within-the-film.
During the second quarantine, Dieter Bravo paints in the dark a copy of "Saturn devouring his son", one of the most famous paintings of Francisco de Goya. Goya painted it, along with another 13 paintings, directly onto the walls of his house, in a series called "Black Paintings" in the early 19th century. That series represents Goya's dark mood provoked by mental illness. All those paintings are now in the Museo del Prado in Madrid, Spain.
Rafi says to Lauren (Leslie Mann) "I thought you were dating the guy who used to be on Friends". Leslie starred in a couple of movies (also directed by her husband Judd Apatow) with Paul Rudd, playing a married couple. Rudd starred in the last seasons of Friends (1994).