Kinderarzt Dr. Fröhlich
Starring Roy Black, Georg Thomalla, Heidi Hansen, Ralf Wolter, Ruth Stephan, Hansi Kraus, Heinz Reincke, Eddi Arent, Rainer Basedow, Ernst H. Hilbich
It's a music and comedy movie, and has a rating of 4.5 out of 10 from Imdb which is fairly low for this kind of movie.
Watch it here
Not found streaming from Argentina.