Cinderella

Cinderella is the featured fairy tale in episode 104, The Price of Gold.

The show's take on the story begins with the Fairy Godmother granting Cinderella's wish to go to the ball. Rumplestiltskin shows up and destroys the Fairy Godmother, taking her wand. Cinderella now has to strike a deal with him if she wants to go the ball, which she does.

Cinderella marries Prince Thomas, and Rumple returns to tell her what she owes him - her firstborn child. Cinderella eventually comes clean to the Prince about the deal she's made, and they set out to trick Rumplestiltskin, with the help of Snow White and Prince Charming. They manage to trick and imprison him.