Taylor Hawkins admitted on several talk show appearances, including Howard Stern and Jimmy Kimmel, that he refused to bother learning the script and improvised all of his lines deciding to just say whatever he felt fit in the moment.
The red 1995 Dodge 1500 Ram van that's featured in the film is the same van used on the Foo Fighters' first U.S. tour to promote their debut album. It was going to be used again for the band's 25th Anniversary "Van Tour" in 2020 but was canceled due to the COVID-19 pandemic. Instead it was used for the movie.
Filmed in secret during the pandemic.
When Dave Grohl is looking around in the cellar, the raygun from the cover of the Foo Fighters's self-titled debut album can be seen.
Dave Grohl revealed in an interview that Lionel Ritchie himself decided on-set to drop Cluster F-Bombs during his cameo.