After conquering R'yleh and the Frozen Kingdom young Howard Lovecraft must now travel to the Undersea Kingdom in order to free his captured family, protect three mysterious magical books, and prevent the impending wrath of Cthulhu.

A young boy living in a remote village in the Andes Mountains dreams of becoming shaman.

Young Brendan lives in a remote medieval outpost under siege from barbarian raids. But a new life of adventure beckons when a celebrated master illuminator arrives from the isle of Iona carrying an ancient but unfinished book, brimming with secret wisdom and powers. To help complete the magical book, Brendan has to overcome his deepest fears on a dangerous quest that takes him into the enchanted forest where mythical creatures hide. It is here that he meets the fairy Aisling, a mysterious young wolf-girl, who helps him along the way. But with the barbarians closing in, will Brendan's determination and artistic vision illuminate the darkness and show that enlightenment is the best fortification against evil?

After returning from his previous adventure, young Howard Lovecraft must lead an expedition including his father, Winfield, Uncle Randolph, and Miskatonic Universitys Dr. Henry Armitage to Antarctica, to prevent the awakening of Cthulhu!

Long ago up North on the Island of Berk, the young Viking, Hiccup, wants to join his town's fight against the dragons that continually raid their town. However, his macho father and village leader, Stoik the Vast, will not allow his small, clumsy, but inventive son to do so. Regardless, Hiccup ventures out into battle and downs a mysterious Night Fury dragon with his invention, but can't bring himself to kill it. Instead, Hiccup and the dragon, whom he dubs Toothless, begin a friendship that would open up both their worlds as the observant boy learns that his people have misjudged the species. But even as the two each take flight in their own way, they find that they must fight the destructive ignorance plaguing their world.