Ali and her herd first appears in The Land Before Time IV: Journey Through The Mists. During migration, Ali's herd found the Great Valley and were welcomed by their cousins, Grandpa Longneck's family. Grandpa Longneck fell ill during this time, hereupon Littlefoot and Ali left the Great Valley to search Ali's old home for the fabled Night Flower that would heal him. Cera, Ducky, Petrie, and Spike soon followed them, and met up with Littlefoot and Ali. Together, the group found the Night Flowers and brought them to the Great Valley to heal Grandpa Longneck.