"Many of Broadway's biggest hit musicals have been based on movies," Corden explained. "Frozen, Mean Girls and, of course, The Lion King to name but a few. But there are so many more great movie possibilities."
The first in a trio of screen-to-stage adaptations, Stevens reenacted Taxi Driver's famous "You talking to me?" scene while talking into a mirror whose reflection was Corden. "You talkin' to me," Corden sang. "I'm talking to you!" Stevens sings. The pair then burst into a joyous song and dance number.
For their stage interpretation of The Shape of Water, McDonald fed an egg to Corden, who donned a fish-creature-styled suit while in a bathtub. The duo sang a ballad about falling in love, but it may not have the happiest ending for one of them. "When a fish loves a woman, he becomes a man," sang Corden. McDonald then sang back to him, "When a woman loves a fish, she fries him in a pan."
A Quiet Place was the final movie to get the "Inappropriate Musicals" treatment. "Shh, it's a quiet place, it's a really quiet place," Mcdonald and Stevens sang to a rambunctious Corden. "Don't make a sound." However, Corden was ready to burst into a solo singing and dance number, despite the threat of monsters who "will eat your face."