Devadesatky is prequel to Pripady 1. oddeleni and both TV Shows are made by the similiar team, both for public Ceska Televize. Inspector Tomas Kozak portrayed by Krystof Bartos says in Episode 5 that he intended to go to the cinema for actual movie Golet v udoli with Ondrej Vetchy, but said, that he will not see him. In fact, actor Ondrej Vetchy portrayed the (same) inspector Tomas Vetchy in TV Show Pripady 1. oddeleni, which is set later in timeline. Episode 5 is set in summer 1995 and the release date of Golet v udoli was May 1995.