During the final dance scene, the young blonde guy pops out and does his "popping" dance. While he is dancing there are random crowd shots cheering on. One of those shots includes the same guy while he is dancing.
In the last dance scene the kid with brown hair in light brown suit who break dances takes his coat off and pulls on his suspenders when he walks out onto dace floor, but in the earlier part of the same dance he doesn't have his coat on.
During the fight scene outside the Lehi Roller Mill, Willard is wearing black cowboy boots while wrestling on the gound. Later when he's dancing inside you can see he's wearing black dress shoes with white and red socks.
On prom night, when Lori singer is getting ready in her room, the dress she is wearing has a short ruffle and a fitted bodice. When Rhen picks her up, the ruffle is longer and the bodice is loose. (a completely different dress). At the prom, during the fist fight, she is back in the first dress.
The following goofs for "Footloose" are apparently bogus. If you disagree or have additional info, please update us.
While Edna and Chuck are racing each other on the road, Ariel decides to go from Edna's car to Chuck's. Before she does, Ariel throws her sweater in the car. At the diner, though, Rusty throws her sweater at her saying, "Here's your sweater Ariel!"
The sweater trivia is wrong. Ariel takes off her sweater and gives it to Rusty while still in Edna's car. She throws her purse through the window to Chuck. Rusty later throws Ariel's sweater back to her at the restaurant.