Isabel puts the Doom Patrol, Dorothy, Casey, and Rama in an illusion of a perfect world where they live out a holiday in honor of her, named "Immortimas Day", and constantly break into musical numbers.
Thanks to Immortus and Isabel, it's eternally Immortimas Day. The Doom Patrol don't notice because they're too busy singing, celebrating Immortimas Day, and learning things about themselves as they sing the inner thoughts... a lot.But reality starts to break through.—Gislef