Original Norwegian title: Hvaler.
Ingar Helge Gimle (Trygve Eriksen) & Anne Marit Jacobsen (Hilde Henningsen) also worked together on Frikjent (2015) as William Hansteen & Mai-Britt Nilsen respectively.
The first season of the series was shown on TV 2 from September to December 2008.
The second season was shown from September to November 2010.