Er was eens / Once upon a time is a six-episode documentary series about the Royal Belgian Institute for Natural Sciences (RBINS) and the scientists who work there. The series considers various specialties of scientific research from a philosophical point of view.
 

Directors: Jérôme Guiot, Liesbeth de Ceulaer, Lennart Stuyck,
Ruben Vemeersch, Mathijs Vleugels
Production: Diplodokus
Post Producer: Maarten Bernaerts
VFX supervisor: Wim De Rick

VFX: Annelies Vaes, Tim Trenson, Feline Godon
DI: Pieter-Jan Uvyn 
Title design: Annelies Vaes 
Grading: Veerle Zeelmaekers