Unit One (Rejseholdet) is a Danish television crime series starring Charlotte Fich and Mads Mikkelsen, Produced by Danmarks Radio (DR), the producer of the BAFTA award wining series' The Killing and Borgen.

The entire series revolves around an elite mobile police task force called "Unit One" that travel around Denmark helping local police divisions solve sensational crimes, with the cases being based upon actual true-life incidents, such as murders, kidnappings, cross-border sex-trafficking and child pornography. Season 3 consists of 8 full length episodes and also stars Trine Pallensen (The Killing 3) and Lars Beygmann (Borgen).