Watch the trailer about Robin Williams' struggles with dementia

Robin's Wish explores beloved comedian Robin Williams' final days as he struggled with the devastating effects of Lewy Body Dementia.

Via EW, his widow Susan Schneider Williams explained her motive in making the film:

Armed with the name of a brain disease Id never heard of, I set out on a mission to understand it, and that led me down my unchosen path of advocacy. 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. 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.

The title comes from Robin's wish for what his legacy would be. He said, "I want to help people be less afraid."

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