* CutSong: Five songs and two dance sequences from the play didn't make it into the movie, which rearranged some events, and changed some backstories and motivations.
* DawsonCasting: Many versions cast actresses in their [=20s=] as Kim.
* FakeNationality: Neither the 1963 movie nor the 1995 TV special feature an actual Hispanic actress as Rosie, instead respectively featuring Janet Leigh[[note]]who at least didn't have to sing, "Spanish Rose"[[/note]] and Vanessa Williams in the role.
* OldShame: Creator/DickVanDyke doesn't remember the movie version fondly, because of the script becoming dramatically {{Retool}}ed to make Ann-Margaret the indisputable star.
* ProductionPosse: NBC's production re-reunites producers Craig Zadan and Neil Meron with teleplay author Harvey Fierstein, all three of whom previously adapted ''Theatre/TheWiz'' and ''Theatre/{{Hairspray}}'' for the network.