The film is directed, written, and produced by R. J. Cutler, based on interviews conducted for the book Belushi: A Biography by Tanner Colby.

[1][2] Belushi's widow Judy had been initially reluctant to cooperate, but eventually agreed.

The website's consensus reads: "Affectionately chronicling John Belushi's outsized talent and personal foibles, this exhaustively-researched documentary captures both the joy and tragedy of the comedic titan's legacy.

"[4] Metacritic, which uses a weighted average, assigned the film a score of 72 out of 100, based on 17 critics, indicating "generally favorable" reviews.

There's also no mention of John's legacy or influence, which would have been a nice context to wrap into the film.