Join your prehistoric pals on the most spectacular adventure yet! Littlefoot and his grandparents share an unusual "sleep story" that leads them on a fantastic journey! The always curious Cera, Spike, Ducky and Petrie quickly follow behind. Throughout this enchanting adventure, they discover many new creatures, wonders of nature, dangers and delights! They eventually meet up with the largest gathering of dinosaurs ever, including one very special Longneck that Littlefoot thought he would never see! Featuring the unforgettable voices of an award-winning cast, including Kiefer Sutherland, Bernadette Peters and James Garner, and an original song, "Best of Friends," performed by 4-time Grammy Award® winner Olivia Newton-John. The Land Before Time: The Great Longneck Migration is filled with lessons on friendship and diversity that deliver a fun and captivating story for the whole family.