The behind the scenes footage was withheld by Universal for almost 20 years.
Between the filming of Carrey's interview & the release of the film on Netflix in 2017, Jim Carrey had a sort of spiritual awakening as mentioned in the closing of the film. Carrey revealed that he saw the world as a facade and a game to be played by people that are determined enough to live out their roles to extremes, like Andy did with his performance attacking the mainstream realm of entertainment at the time.
Jim Carrey has admitted that playing Andy Kaufman both liberated him and sent him into an emotional tailspin.
Both Jim Carrey and Andy Kaufman were born on 17th January.
Jim Carrey claims that the behind-the-scenes footage from Man on the Moon (1999) was embargoed by Universal as it would have made one of their biggest stars look "like an asshole".