Undercover is a Belgian-Dutch Dutch-language crime drama television series starring Tom Waes, Anna Drijver and Frank Lammers. The plot revolves around a story inspired by real-life events, where undercover agents infiltrate a drug kingpin's operation in Limburg, a Flemish province bordering the Netherlands. The infiltration is executed by two agents, Bob Lemmens (Tom Waes) and Kim de Rooij (Anna Drijver), who are posing as a couple at the campground where the drug kingpin spends his weekends.

It is a co-production between Netflix and public Belgium TV station Eén, and was ordered direct-to-series. The first season premiered on Eén on February 24, 2019, in Belgium; its second season was scheduled for a September 6, 2020 release on Eén. The series began streaming on Netflix on May 3, 2019. It was renewed for a second season which premiered on November 8, 2020. Season 3 premiered in November 2021, starring Nazmiye Oral.