Killer study: Famous Czech-German co-productions

The author and director of the award-winning film Old-Timers will remind us of famous co-productions on series such as Pan Tau; Lucy, Terror of the Street; Arabela and The Visitors. What was the reason of the success of these series, how were their fictional worlds constructed, how did they influence generations of their viewers and could a continuation of this type of collaboration be considered, for example in the form of a current remake?