Bill amp Ted is a series of two films and their spinoffs featuring William Bill S. Preston Esq. Alex Winter and Ted Theodore Logan Keanu Reeves as two metalhead slackers who travel through time. The first Bill amp Ted film, Excellent Adventure, was released on February 17, 1989, followed two years later by Bogus Journey. A third film has been in the works since 2010, but there is no current release date.
Excellent Adventure introduces Bill Preston and Ted Logan who are trying to write a history report, and encounter a traveler from the future who gives them access to a time machine shaped like a telephone booth which allows them to travel back in time and where they meet historical figures and learn about key historical events. If Bill and Ted fail to pass, their teacher will have to flunk them and Teds father will transfer him to an Alaskan military academy. In this movie, it is also revealed that Bill and Ted are in a band called Wyld Stallyns.Bogus Journey sees Bill and Ted being killed by robot doubles who capture their fiances, and their attempts to get back from the afterlife by challenging the Grim Reaper to a series of games. Bill and Ted along with the Grim Reaper eventually return to presentday Earth just prior to the Wyld Stallyns performance at the Battle of the Bands, which takes place later that night. ........
Source: Wikipedia