Da Vinci Code prequel series in development
It'll focus on symbologist Robert Langdon's first ever case.

A new TV series based on the 2009 prequel novel to The Da Vinci Code is in the works.
Switching out the novel’s title The Lost Symbol for just Langdon, it’ll follow symbologist Robert Langdon on his first ever case.
He’s forced to join a specialized CIA task force in order to solve a number of chilling puzzles and rescue his kidnapped mentor.
US network NBC are to develop the project with the Da Vinci Code’s film director Ron Howard on board as an executive producer.
Daniel Cerone, who previously worked on both Dexter and The Blacklist, has been recruited to write the script.
It’s unlikely that Tom Hanks, who starred as Langdon in all three film adaptations of Dan Brown’s book series, will reprise his role.
A release date or new cast has yet to be announced.
Despite earning mixed reviews from critics, The Da Vinci Code was a box-office smash upon its release in 2006.
The following installments however, 2009’s Angels and Demons and 2016’s Inferno, failed to generate the same kind of interest.
Source: Digital Spy