Animated movies and stories have been a primary source of entertainment. Initially intended to be a medium of fun and enjoyment, animated movies soon covered a vast area of life and its various aspects.

International Animation Day (IAD) was proclaimed by the Association Internationale du Film d'Animation (ASIFA) in 2002 on 28 October each year to celebrate the importance of this art form.

The day marks the commemoration of the first public performance of Charles-Émile Reynaud's Théâtre Optique at the Grevin Museum in Paris, 1892.

In recent years, the event has been celebrated in 50 different countries with a number of activities all over the world.

As the world is all set to celebrate the International Animation Day on 28 October, here is a glimpse of the five most popular animated movies of 2015.

'Minions'

"Minions" is an American 3D computer-animated comedy movie that serves as the prequel to the critically acclaimed "Despicable Me" franchise. Directed by Pierre Coffin and Kyle Balda, it tells the story of Stuart, Kevin and Bob as they try to to find a new master after spending years in Antarctica.

'Inside Out'

Produced by Pixar Animation Studios, "Inside Out" tells the story of five personified emotions namely Joy (Amy Poehler), Sadness (Phyllis Smith), Fear (Bill Hader), Anger (Lewis Black), and Disgust (Mindy Kaling) who reside in the mind of a young girl. The emotions lead her through all the ups and downs of life as she accompanies her parents who are moving to a new city.

'The Good Dinosaur'

"The Good Dinosaur" is an upcoming CGI animated movie that is set in an alternate timeline when dinosaurs never became extinct as Earth was never hit by an asteroid. The movie tells the story of an Apatosaurus named Arlo who loses his father in an accident and befriends a human cave boy, Spot.

'Hotel Transylvania 2'

"Hotel Transylvania 2" is the sequel to the 2012 movie "Hotel Transylvania" and takes place seven years after the first movie. The story revolves around Dennis, who is son of Mavis and Johnny. His lack of vampire abilities worries his grandfather Dracula and he tries his best to train him as a vampire.

'Dragon Ball Z: Resurrection 'F''

"Dragon Ball Z: Resurrection 'F'" is the nineteenth Japanese animated movie based on the iconic "Dragon Ball" series. It is also the fifteenth movie that carries "Dragon Ball Z" branding. It is the first Japanese movie that was screened in IMAX 3D and was also showed at 4DX theatres.