New doc explores Robin Williams’ battle with brain disease

It has been almost six years since the world lost comedic genius Robin Williams. The Oscar, Emmy, Golden Globe, SAG and Grammy winner died by suicide on August 11, 2014, leaving behind his wife Susan Schneider Williams, his children Zak, Zelda and Cody Williams, and millions of fans around the world.In a new documentary, his final days are explored by those closest to him and details on a neurological disorder that plagued the entertainer are revealed.The first trailer for Robin’s Wish has been released ahead of its September 1 premiere on VOD and includes interviews with Williams' friends and family, as well as old footage of the actor himself. In the new doc, director Tylor Norwood (The United States of Detroit) interviews director Shawn Levy, who worked with Williams on all three Night At The Museum movies, including the final installment, which was filmed only two years before Williams' passing.[video_embed id='5982634365001']RELATED: Will Smith wanted to honour Robin Williams with his Genie in ‘Aladdin’[/video_embed]“On the last movie it was clear to all of us on that set that something was going on with Robin,” said Levy. “I remember him saying to me, ‘I don’t know what’s going on. I’m not me anymore.’”Robin’s Wish examines Williams' unparalleled career in the entertainment world. Beginning with his starring role in Mork and Mindy in 1978, his career spanned more than three decades and included both comedic and dramatic roles in TV and film. Starting as a stand-up, Williams often returned to his comedy roots. His 26-date Weapons of Self-Destruction tour in 2009 marks one of the final times the comedian performed on stage.The doc also touches on the widespread media speculation that following his death, including reports that the actor was depressed and suffering from massive financial losses. It turns out he was suffering from a rare brain disease called Lewy Body Dementia that attacked his mind from all sides."With invaluable help from leading medical experts, I saw that what Robin and I had gone through, finally made sense—our experience matched up with the science," said Schneider Williams in statement shared by EW. "And what I discovered along the way was bigger than me, and bigger than Robin. The full story was revealed during the making of this film and it holds the truth that Robin and I had been searching for."She also said the name came from a conversation she had with her husband shortly before his death."Robin wanted to help all of us be less afraid. That was Robin’s wish," said Schneider Williams. "We had been discussing what we wanted our legacies to be in life; when it was our time to go, how we wanted to have made people feel. Without missing a beat, Robin said, 'I want to help people be less afraid.'"[video_embed id='2008476']BEFORE YOU GO: Jason Momoa surprises wife with a gift 14 years in the making[/video_embed]