When an evil spirit known as Pitch lays down the gauntlet to take over the world, the immortal Guardians must join forces for the first time to protect the hopes, beliefs and imagination of children all over the world.

Five years after uniting the dragons and Vikings of Berk, Hiccup and Toothless soar beyond their homeland, charting the vast unknown. During one of their adventures, the pair discover a secret cave that houses hundreds of wild dragons -- and a mysterious dragon rider with a startling connection to Hiccup. And as the ruthless dragon conqueror Drago Bludvist rises to seize control of both dragons and people alike, Hiccup must step into his role as a true leader and, alongside his friends and Toothless, protect Berk from a devastating war.

Animal pals Alex, Marty, Melman, and Gloria are still trying to make it back to New York's Central Park Zoo. They are forced to take a detour to Europe to find the penguins and chimps who broke the bank at a Monte Carlo casino. When French animal-control officer Capitaine Chantel DuBois picks up their scent, Alex and company are forced to hide out in a traveling circus.