From the 'Tradewise Gibraltar Chess Festival' Youtube channel.
Long story short: Interview with Boris Gelfand (18:08) 'Tania Sachdev in conversation with six-time World Championship Candidate Boris Gelfand at the Tradewise Gibraltar Chess Tournament 2017.'
Early in the clip, the interviewer mentions an 'amazing, award winning' documentary; it's here: Album 61 (youtube.com; 1:09:36). See also Album 61 - An intimate award-winning documentary (chessbase.com; August 2015). For details about the 'six-time World Championship Candidate', see my page World Chess Championship : Index of players.