Netflix ‘s upcoming Madeleine McCann documentary series looks set to cause controversy.Before even reaching the streaming service, McCann’s parents, Gerry and Kate McCann , condemned the series, saying it could potentially “hinder” the ongoing police investigation into the disappearance of their daughter. Here’s everything we know about the documentary, titled The Disappearance of Madeleine McCann .From extras.All eight, hour-long episodes of The Disappearance of Madeleine McCann will be available on Netflix from 8am GMT on Friday, 15 March.A trailer for the series has already been made available and can be watched at the top of this article.Gerry and Kate McCann have confirmed that they were asked to appear on camera but declined the offer. “We are aware that Netflix are planning to screen a documentary in March 2019 about Madeleine’s disappearance,” the family said in a statement.“The production company told us that they were making the documentary and asked us to participate.“We did not see – and still do not see – how this programme will help the search for Madeleine and, particularly given there is an active police investigation, it could potentially hinder it.