Star Wars Episode IV: A New Hope (1977)
Long before Jar Jar Binks, George Lucas was pioneering CGI technology. Back when it was still called plain old Star Wars, the first instalment of Lucas' space opera saw the very first usage of 3G CGI on the silver screen. Larry Cuba's computer schematic of the Death Star (which took months of programming) was used to create the 40 second animation of the Death Star trench in the briefing sequence. All together now: "You're required to maneuver straight down this trench…"