During the marathon, Olivia Holt stopped by the sets of favourite Disney Channel shows bringing various Halloween activities with her to the sets of Austin & Ally, Shake It Up and JESSIE.
Below is the preliminary video featuring Olivia Holt introducing the segment titled 'Monstober Shriek-Tacular Stopby.'
Monstober Shriek-Tacular Stopby with the Austin & Ally cast
Monstober Shriek-Tacular Stopby with the Shake It Up cast
Monstober Shriek-Tacular Stopby with the JESSIE cast