"Jellicle" cats join for a Jellicle ball where they rejoice with their leader, Old Deuteronomy. One cat will be chosen to go to the"Heavyside Layer" and be reborn. The cats introduce themselves. "Jellicle" cats join for a Jellicle ball where they rejoice with their leader, Old Deuteronomy. One cat will be chosen to go to the"Heavyside Layer" and be reborn. The cats introduce themselves.