The series aired in United Kingdom for many years on Channel 4 titled as "Kalle The Hero Dog".

The terrier Kalle was adopted as a puppy by Pia Andresen (played by Katharina Schubert), chief of police in the north German seaside town of Flensburg.

He helps solve police and family problems, often assisted by the Andresen children Hanno and Merle and sometimes by the woman next door and her dog Bruno.

Outdoor shots of the fictional police headquarters are of a picturesque building on Schiffbrückplatz in Flensburg in which the Danish language newspaper Flensborg Avis has its offices.

Da kommt Kalle is a Network Movie production on behalf of to the German ZDF channel.