The Bill and Ted film series launched in 1989 with Bill and Ted’s Excellent Adventure, which saw Alex Winter’s Bill Preston and Keanu Reeves’ Ted Logan traveling through time to learn about historical events, as if they fail their history test, that’ll initiate a chain of events that results in the utopian future Bill and Ted’s music is modeled off of never coming into existence.
Two years later, Bill and Ted’s Bogus Journey saw the eponymous duo being killed by a rogue time traveler, requiring them to team up with the Grim Reaper and make it back to the land of the living to stop the menace.