HBO Max's Description: "A kid brontosaurus embarks on a journey to find a mythical Green Valley in this animated film set in the Prehistoric Age. The environment doesn't provide enough vegetation for the plant-eating brontosauri, who talk of a valley full of edible greens. When a natural disaster orphans young Littlefoot, he sets out to find the special place, dodging a ferocious T-Rex along the way."
Watch The Land Before Time on HBO Max here!