Dan Brown's The Lost Symbol is a prequel to the Robert Langdon film series. Ashley Zukerman plays a Harvard symbologist and is the main character in the series. Eddie Izzard, Beau Knapp, Rick Gonzalez, Valorie Curry and Sumalee Montano star. The series consists of ten episodes, premiered on September 16, 2021, on Peacock. In January 2022, the series was cancelled after one season.