The opening sequence to Grease features the theme song, and there's also some poking fun at the plot as well.
Mentioned by Peter and Vicki.
Jerry sings the title song.
Joan mentions the title
A poster is seen at the cinema.
Alex and Steven sing the title song.
The Gone with the Wind Spoof Bert is watching is called "Love is a Very Splendid" thing
Pompeu mentions this film.
Tom (singing): "Love is a many-splendored - huh?"
Little Pete says, "Love is a many-splendored thing!"
Mike: "Love Is a Many Tepid Thing"
One of the characters mentions it
Jimmy says "Isn't Love a Many Splintered thing?"
Movie title used in title
The song "Love Is a Many-Splendored Thing" plays when Paul Bunyan and Marge run towards each other.
theme music played as a clue; film title is correct answer in "1955" category
phrase mentioned by Mr. Jack
theme song played
The characters go to see this film in the theater and it's shown
shown on movie theatre screen
scenes from it are shown in the blind date scene
love scene with Jones and Holden
The movie the old woman was watching.
Love Is a Many-Splendored Thing is #85.
Theme music featured when Barry and Barry are reunited.
Soundalike theme music plays when Rosie gazes at Charlie.
In the War Is Heck level, Gex sings: "War is a many-splendored thing."