The Good Dinosaur 2 continues Arlo’s journey several years after the events of the first film, showing how both he and the world around him have grown. Arlo is now older, more confident, and deeply connected to his family’s farm, but his sense of curiosity about the wider world remains strong. When a sudden shift in climate threatens the crops and the riverbanks begin to dry, Arlo realizes that the stability he fought so hard to protect may not last forever. His desire to understand these changes becomes the spark for a new adventure.

Spot, now living with his human family, also feels the pull of the unknown. Though he is happy among his own kind, he often thinks about Arlo and the bond they formed during their earlier journey. When his clan encounters strange wildlife migrating from the mountains, Spot senses danger ahead. His decision to seek out Arlo once more marks the emotional beginning of the film, reminding viewers of the friendship that originally defined the story.

Reunited, Arlo and Spot discover that the unusual changes affecting their homes are not isolated. Entire herds of dinosaurs have been forced to move as the land grows unpredictable, and an unfamiliar species of large, armored predators has appeared in the region. These newcomers, territorial and desperate, disrupt the fragile balance between herbivores and carnivores. Arlo, frightened but determined, chooses to help the herds find safer ground, echoing the courage he once struggled to find.

Along the way, the duo meets Mira, a quick-thinking young pterosaur who has been studying the shifting weather patterns. Her presence adds new energy to the group, and her knowledge helps Arlo understand that nature itself is changing in ways that require cooperation, not fear. Yet Mira carries her own burdens, having lost her flock during a storm, and she slowly learns to trust again through her time with Arlo and Spot.

Conflict arises when the armored predators corner a migrating herd near the cliffs. Arlo must confront the same fears that once paralyzed him, but this time he stands not only for himself but for the community that believes in him. Spot, using his agility and instincts, supports him in a sequence that blends tension with heartfelt emotion.

In the end, the land begins to heal as the seasons shift once more. Arlo returns home wiser, recognizing that change is an inevitable part of life, while Spot strengthens the bond between humans and dinosaurs. The film closes with the promise of a future shaped by courage, friendship, and the willingness to face the unknown together.