Eye Above Prague
Oko nad Prahou (original)
Starring Jan Kaplický, Eliška Kaplický Fuchsová, Josef Kaplický, Václav Havel, Dagmar Veškrnová-Havlová, Václav Klaus, Pavel Bém, Milan Knížák, Pavel Bobek
It's a documentary and drama movie, and has a rating of 7.6 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Belgium.