Forced to relocate their den, Kate, Humphrey, and the pups befriend Amy, a dinosaur, who needs to stop a digging before a T-Rex's spirit emerges, just like hers did. Now, they will have to work together before it's too late.

During the Royal Ball, Cinderella and her mice fellows discover a secret that could shake their world: the real prince has turned into a mouse by the evil witch, and the "Prince" from the Royal Ball is in fact a fraud.

The evil Dr. Robotnik takes over the planet Mobius, and it is up to Sonic the Hedgehog to put a stop to his evil plans.