The ending of 'Wicked: For Good' has been explained, with outlets discussing its connection to 'The Wizard of Oz' and the fate of characters such as Elphaba. The conclusion reportedly includes references to 'The Wizard of Oz', including the introduction of characters like Dorothy. The meaning and implications of the ending are being analyzed, with some outlets noting that it may address a significant story issue from the original 'Wicked' narrative.