Drei Mann in einem Boot
Starring Walter Giller, Heinz Erhardt, Hans-Joachim Kulenkampff, Susanne Cramer, Loni Heuser, Bum Krüger, Willy Reichert, Rolf Wanka, Ina Duscha, Josef Sieber
It's a drama and comedy movie, and has a rating of 6.1 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Finland.