When a sudden shortage of water threatens all life in the great valley, The gang of young dinosaur must cooperate with a group of bullies to make a risky journey outside the valley and find the cause.

Petrie and his siblings get ready to fly for the Day of the Flyers, but Petrie is frustrated that he keeps flying out of formation. While practicing, he meets Guido, a Microraptor who does not know what he is, or where he belongs. With the help of Guido, Petrie learns how to be himself and stand out from the crowd.

Littlefoot has been on many adventures before, but in this new edition to the Land Before Time series, the next adventure may change his life...forever.

In the span of Lauren and Tom's five-year relationship, they've never had a fight. Their sex life is fine. They get along fine. Everything points to marriage, until Lauren suddenly sees a lifetime of "just fine" yawning ahead of her, and it immediately makes her hungry for a better, fuller future. She just has to decide what "better" really means. One moment Lauren resolves to double down on her commitment to Tom, and the next moment she is ready to blow the whole thing up. So, Lauren does what any reasonable person would do - she does not choose. She does both. In a doomed attempt to have everything she wants without giving anything up, Lauren simultaneously starts an affair with her boss, rents a bachelor apartment, and asks Tom to marry her. When they start to plan the wedding, and her no-strings affair gets complicated, Lauren struggles to save what is most important to her before she loses it all.

After his father doesn't return from an important journey, Littlefoot and company set out to find him.

An orphaned brontosaurus teams up with other young dinosaurs in order to reunite with their families in a valley.

When heavy rains create a mysterious "new water", Littlefoot sets off to explore the Great Valley. He quickly becomes friends with Mo, a prank-playing dolphin-like creature who can't find his way back to the Big Water. Littlefoot and his pals come to the rescue and prove the value of courage, friendship, and diversity.

When the dinosaur families get trapped in a valley by an ice storm, one family of "spike tail" dinosaurs volunteers to leave since they consume more food than the others. Meanwhile, the young dinos and a new adult dinosaur named Mr. Thicknose, head out to bring back their friend Spike, who has left his friends to be with members of his own species.

Littlefoot and his pals set off in search of a "stone of cold fire" that fell from the night sky. Since he's the only one who has seen it though, nobody really believes him. Petrie's uncle Pterano offers support only because he thinks the stone has secret powers and wants it for himself but conceals this from the rest. The young dinos must figure out the truth, before Pterano gets the power.

Grandpa tells Littlefoot about their mythical hero called the Lone Dinosaur. Sarah gets two little lively cousins to take care of. Later, the kids accidentally chip the lucky Saurus Rock, and need to fix it before the bad luck hits.

Littlefoot and his friends the gang in their next when a swarm of leaf gobblers had destroyed their homes and this forces them to find a new home but yet find an mysterious island.

When Littlefoot grandfather falls ill, The dinosaurs only way to cure him is a flower in the forbidding land of mist which hold unexpecting perils and danger.