* AwardSnub: Averted when it was nominated for five Oscars - Picture, Director, Original Screenplay, Editing, and Best Supporting Actress for Candy Clark - but played straight when it lost all five. Granted, it was the same year ''TheSting'' came out.
* HilariousInHindsight: Steve's remark about Laurie's BigBrotherAttraction, when you realize this film is made by the same guy responsible for the ''Franchise/StarWars'' movies, [[Film/TheEmpireStrikesBack one of which]] is infamous for a passionate kiss between Luke and Leia [[Film/ReturnOfTheJedi before they find out they're siblings.]]
* OneSceneWonder:
** Suzanne Somers as the Blonde in the T-Bird. All she does is mouth "I love you" at the camera and fans have been wondering about her character ever since.
** Although his God-like voice is present throughout the movie as background chatter, Wolfman Jack's actual appearance at the end - offering Popsicles and wisdom - counts.
* SeinfeldIsUnfunny:
** Fifties nostalgia, now old hat, was still a pretty novel subject for a film in 1973.
** The habit of movies looking back a decade or two with a nostalgic melancholy in general. ''Film/CooleyHigh'', ''Film/DazedAndConfused'', ''Film/BoogieNights'', a lot of ComingOfAge movies... it all started with this movie.
* {{Sequelitis}}: The original ''American Graffiti'' is regarded as a classic and one of George Lucas's best movies outside of the ''Star Wars'' franchise. ''More American Graffiti''? Not so much.
* TearJerker: Finding out the fates of John Milner and Terry the Toad (unless you've seen the sequel) in the epilogue.
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