SPOILER: There is a scene after the closing credits: Cobweb the black cat jumps onto a shelf next to a box containing a second Black Flame candle.
The Disney logo has the castle set in the Salem woods and in 17th century design, without fireworks or fairy dust, and has the sky turn green with a full moon.
During the closing credits, the Sanderson sisters are seen in a recording booth singing their version of "The Witch is Back".