Is the second most watched Disney Channel original movie of all time, second to High School Musical 2 (2007).
Both Descendants (2015) and Descendants 2 (2017) featured cover of song from one of the classic animated Disney films at one point. The first film had "Be Our Guest" from La Belle et la Bête (1991) whilst this film had "Kiss the Girl" and "Poor Unfortunate Souls" from La Petite Sirène (1989).
China Anne McClain has stated in an interview that during her "What's My Name" scene that the countertop that she had to dance on was so slippery that during rehearsals she fell several times.
This is the third time Cameron Boyce and China Anne McClain are working together. Their first time was Copains pour toujours (2010) and their second time was Copains pour toujours 2 (2013).
They filmed the Isle scenes in an old insane asylum, and everyone kept saying it was haunted.