This documentary about "2001: A Space Odyssey" looks at some of the things that seemed fanciful in 1968, which don't seem quite as much anymore.
Arthur C. Clarke
Self
John Baxter
Anthony Frewin
Dennis Muren
Roger Ebert
David Hughes
Paul Duncan
Douglas Trumbull
Dan O'Bannon
Rob Coleman
Bettyann Kevles
Phil Tippett
Elstree 1976
Above Majestic
A Decade Under the Influence
Halloween: 25 Years of Terror
Capital in the Twenty-First Century
Lovecraft: Fear of the Unknown
Interstellar: Nolan's Odyssey
Directed by John Ford
Harry Dean Stanton: Partly Fiction
Spider-Man: All Roads Lead to No Way Home