The Sanderson Sisters costumes from Hocus Pocus (1993) were recycled in this film and can be seen on three new actresses at the end of the film when the gray spell breaks.
Kimberly J. Brown (Marine) and Daniel Kountz (Kal) reconnected and began dating in 2016. The couple announced their engagement in June 2022 and wed in April 2024.
Debbie Reynolds, Judith Hoag and Joey Zimmerman are the only individuals to appear in all four 'Halloweentown' films.
When Gwen turns into a monster, it was actually Judith Hoag herself (in makeup) playing it, not a stunt person/stand-in.
Kimberly J. Brown (Marnie) and Daniel Kountz (Kal) both stated that though at the time they played each other's love interest that they had no romantic feelings or interests at all for each other. In 2016 Kimberly, who had started a Youtube channel, got in contact with Daniel and asked him to be in her Youtube videos. At this point they said the had not seen or talked to each other in over a decade. Not long after reconnecting they began a relationship and have been engaged since June 2022. They finally got married on April 19, 2024