The Serpent is an upcoming crime drama miniseries developed by Mammoth Screen for BBC One and Netflix. It is based on the 1976 arrest of
Charles Sobhraj. It is set to premiere on BBC One on New Year's Day in 2021.
Episode 1
Bangkok, 1975. Dutch diplomat Herman Knippenberg investigates the disappearance of a young couple who were last seen alive at the apartment of gem dealer Charles Sobhraj.
Filming
Principal photography mostly took place in Thailand until late March. Filming resumed in Hertfordshire, England in August after a pause due to the COVID-19 pandemic.[6]