Ayla is a young girl who is orphaned when her parents are killed in a hunting accident. She is adopted by the Clan of the Cave Bear, a group of people who live in caves and are very different from her own family. Ayla works hard to learn the ways of the Clan and eventually becomes a respected member.
Lillian, a nine-year-old girl, moves to a big city with her family. While exploring her new surroundings, she comes across a cave that leads to a secret world full of wonder and danger. Lillian must use her wits to navigate her way through this strange new place and find her way back home.
John, a young boy, is out hunting with his father when they come across a T-Rex. John's father tells him to stay back, but John is brave and takes aim. The T-Rex is struck and furious, charging at John and his father. John's father gets away, but John is not so lucky and is caught and eaten by the T-Rex. John 's father runs back to the village to get help and the villagers come armed with spears and knives. They kill the T-Rex. John's father is devastated, but John is remembered as a great hunter.
9-year-old Jaden uncovers a mysterious artifact in a cave near her home, which turns out to be a key to a hidden world full of prehistoric creatures. With the help of her new friends, Jaden must find a way to stop the evil ruler of this world from taking over our world.
Jakar, a 12-year-old hunter-gatherer, is determined to kill a mammoth to help his tribe. He follows the mammoth into the forest and is successful in killing it, but is badly injured in the process. He is celebrated as a hero by his tribe and given a place of honor at the feast.