HBO has put together a documentary told mostly through Robin Williams' own words, interspersed with interviews by those who knew him best.

The documentary will also feature never-before-seen home footage and on stage footage.

Robin Williams took his own life in August of 2014. The film will run through the beginnings of his career in the 70's through his death.

A funny, intimate and heartbreaking portrait of one of the world’s most beloved and inventive comedians, Robin Williams: Come Inside My Mind is told largely through Williams’ own words, and celebrates what he brought to comedy and to the culture at large, from the wild days of late-1970s L.A. to his death in 2014.

The film explores his extraordinary life and career, revealing what drove him to give voice to the characters in his mind. With previously unheard and unseen glimpses into his creative process through interviews with Williams, as well as home movies and onstage footage, this insightful tribute features in-depth interviews with those who knew and loved him, including Billy Crystal, Eric Idle, Whoopi Goldberg, David Letterman, Steve Martin, Pam Dawber and his son, Zak Williams.

The documentary will first air on HBO on July 16th.