Movie enthusiasts looking to revisit Tom Hanks' thrilling adventures as Robert Langdon should mark their calendars, as 'Angels & Demons' is departing Netflix on November 1. The film, directed by Ron Howard, plunged audiences into a high-stakes race against time as Langdon unravels a conspiracy threatening the Vatican.

Based on Dan Brown's novel, 'Angels & Demons' follows Langdon and scientist Vittoria Vetra as they navigate Rome to prevent the ancient secret society, the Illuminati, from destroying Vatican City with a stolen antimatter bomb and murdering kidnapped cardinals. Hanks' portrayal of the quick-witted symbologist, a role he originated in 'The Da Vinci Code', anchors the intricate plot.

While 'Angels & Demons' was the second film in the Robert Langdon series, released in 2009, it is chronologically the first adventure for the character in Dan Brown's literary universe. The film series began with 'The Da Vinci Code' in 2006, based on Brown's second novel, before adapting 'Angels & Demons', which was Brown's first Langdon book. The cinematic saga later continued with 'Inferno' in 2016.

Interestingly, the film franchise opted to skip Brown's third novel, 'The Lost Symbol'. According to a report by Collider, Sony Pictures had initially developed 'The Lost Symbol' as the third Tom Hanks-led film, commissioning several scripts. However, director Ron Howard revealed that they "could never quite crack the adaptation." Both Howard and Hanks reportedly felt that the novel's Washington, D.C. setting, its focus on a Freemason conspiracy, and its puzzle-driven structure were too similar, both tonally and thematically, to the preceding films, 'The Da Vinci Code' and 'Angels & Demons'. When Brown's fourth novel, 'Inferno', was published in 2013, its unique Dante-inspired mystery, amnesia plot, and global biological threat presented a fresh and more cinematic direction, leading Sony to fast-track its adaptation instead.

For those who wish to delve back into the world of ancient symbols and Vatican secrets, 'Angels & Demons' offers a compelling watch before it leaves the streaming platform. Its departure means fans will need to find alternative ways to stream or own the film after the end of October.