Max's father embarks on a scholarly visit to a London museum where history comes to life-literally. The D-Team receives urgent news that Team Alpha has already infiltrated the museum, where a real-life Saichania roams free. Max, Rex, and Zoe find they still have much to learn from their dinosaur partners as they face their cunning enemies in a full-blown dinosaur battle, with Saichania's fate hanging in the balance.