Claim: Inferno (2016 film) is in the same series as Angels & Demons, the Robert Langdon film series.
Evidence: Inferno is a 2016 American mystery adventure thriller film directed by Ron Howard and written by David Koepp , based on the 2013 novel of the same name by Dan Brown.
The film is the sequel to The Da Vinci Code and Angels & Demons , and is the third installment in the Robert Langdon film series.
Three of them , Angels & Demons -LRB- 2000 -RRB- , The Da Vinci Code -LRB- 2003 -RRB- , and Inferno -LRB- 2013 -RRB- , have been adapted into films.