Hiccup is a Viking teenager who aspires to hunt dragons, but doesn't exactly fit in with his tribe's longstanding tradition of heroic dragon slayers. His world gets turned upside down when he encounters a dragon that challenges him and his fellow Vikings to see the world from an entirely different point of view.

Gru delights in all things wicked. Surrounded by an army of tireless little yellow minions, and armed with his arsenal of shrink rays, freeze rays, and battle-ready vehicles for land and air, he vanquishes all who stand in his way. Until the day he encounters the immense will of three little orphaned girls who look at him and see something that no one else has ever seen, a potential dad.

Scrat is still trying to nab the ever-elusive nut and in the process may find his true love; Manny and Ellie await the birth of their mini-mammoth; Diego, the saber-toothed tiger, wonders if he's growing too 'soft' hanging with his pals; and Sid the sloth gets into trouble when he creates his own makeshift family by hijacking some dinosaur eggs. On a mission to rescue the hapless Sid, the gang ventures into a mysterious underground world where they...