Descendants 3 “Black Magic” Promo Descendants 3 premieres this Summerl on Disney Channel. Show More… Comments Related Videos Descendants 3 “Meet Celia” Trailer (HD) Descendants 3 “Mystery” Trailer (HD) Descendants 3 “Mal’s Darkness” Teaser Promo (HD) Descendants 3 “Under the Sea” Promo (HD)