The "Descendants/Zombies: Worlds Collide Tour" concert typically runs between 1.5 to 3 hours in total length. Shows generally start at 7:00 PM, with doors opening an hour earlier, and the event includes high-energy performances from the stars of both Disney franchises, with a mix of hit songs, mash-ups, and encores.
This range accounts for the concert's live performance, possible intermissions, and encores, making the full experience last up to about 3 hours from start to finish.