Lightning flashes across the face of an old gothic mansion as the Frankenstein's monster and a hunchbacked figure unload a coffin from a parked black hearse. The hunchback accidentally drops the coffin in the mud causing muffled cursing to emanate from the coffin’s interior.
The story begins with a young boy named Aladdin, trying to make money by being a servant for a day, with no success. Meanwhile, a shifty man named Hassim, who has journeyed from Africa, visits the local medicine woman, Fatima, who tells Hassim that in order to reach a certain treasure that he wants, he needs Aladdin. Hassim visits Aladdin and his mother, claiming that he's Aladdin's long lost uncle, and says that he can make them rich beyond their wildest dreams.
Behind the Mask is an action-adventure thriller film, first released in six separate chapters and later as a film. The film's adversary, an unidentified masked entity known only as The Octopus, terrorizes a large American city. He engages in industrial espionage and terror in order to secure valuable technological secrets that will lead to America’s decline as a world power. The Octopus is on the verge of success when another unknown figure appears. The Mask, as he becomes known, thwarts the Octopus and his organized crime syndicate in the villain’s one failed attempt after another.
Barney's friends are playing in Derek's backyard building a sand castle, after which Barney appears and takes them to a magical forest. They meet an elf named Twinkle, who likes to play games and make new friends. She shows them the road to the castle where they ride pretend horses and meet a real king. After taking care of the castle while the king goes fishing, the kids are made princes and princesses of the kingdom.
Junho plans to give a present to his favorite female friend, Eunsu. However, Junho's plan failed due to Hyungtae's advancement towards Eunsu. This has prompted Junho to go to a shopping mall, where Eunsu's favorite singer holds a fan meeting. The kids meet together and disturbed the shopping mall. A security guard eventually catches them. On the other hand, the robbers are planning to take over the shopping mall. It is up to the kids to defeat the robber.
Nobita and his friends are discussing school project themed around seas and oceans. Interested in pirate life and treasury, Nobita asks Doraemon to help him find secret treasures. Doraemon at first denies the pirates roaming in the present day as well as the existence of secret treasures, but after learning news about recently discovered treasury, he helps Nobita in his sea voyage in search for the secret treasure. Bringing along Shizuka, Gian, and Suneo, they roam the South Sea while playing ship and sea danger simulators with Doraemon's gadgets.
This episode is set in the future 2011 where the main characters from Doraemon are all grown up and have kids. Minidora (mini doraemon) accidentally gets delivered to the Nobita's future house. The sons of Jyaiyan, Suneo and Nobita plays with Minidora with the special goods he brings out of his pocket. But trouble happens when they ran away from Dorami, who came to retrieve Minidora.
After watching a televised showing about supposedly humanoid birds spotted in Africa, Nobita dreams of being able to fly with wings. He builds wooden wings after Doraemon refuses to help him, though he repeatedly fails to fly using them. While helping Shizuka to reclaim her pet canary, they witness a portal opens in the sky and a humanoid bird riding an airplane coming out. He introduces himself as Gusuke, a humanoid bird who lives in "Birdopia". Doraemon, Nobita, and Shizuka help Gusuke fix his airplane, where Nobita becomes fast friends with him. As Gusuke departs to his home, Gian and Suneo catch him and grab his plane. The other three follow them through the portal.
The movie is divided into three different episodes/sections. The first episode begins with the Recess gang starting the fifth grade. At first thought to be the best year ever, they soon discovered otherwise. First, Ms. Finster becomes the fifth grade teacher instead of the desired Mrs. Milkie, who had transferred. This is combined with their lockers being taken away, the cafeteria food being substandard, and the playground being removed.
The peace of their small Konkan village is shattered when four adventurous children come upon the dangerous smuggler Don Douglas. Two of the boys are caught spying and taken away by his goons. With the help of their dog Sikander and their monkey Birbal, the rest of the team must rescue them.
The plot revolves around a summer vacation of Nobita and his friends under the waters of the Pacific Ocean. Gian and Suneo take Doraemon's underwater vehicle and travel through the Atlantic Ocean, trying to find a treasure ship. Along the way, they discover that the environment gun that Doraemon used to protect them is running out of energy leaving them vulnerable to the sea. Fortunately, they are rescued by some marine creatures. Doraemon and his friends are later captured by these creatures, revealed to be inhabinats of the underwater kingdom of Mu. It is revealed that another undersea kingdom, Atlantis, now controlled by robots, was about to destroy the Earth with nuclear weapons after mistaking a volcano eruption for an invasion. With the help of a young boy from Mu, Nobita and his friends attempt to stop the robots, but are all captured. However, when things are at their grimmest, Doraemon's robotic underwater vehicle sacrifices itself to destroy the computer that controlled all the robots and nuclear weapons. After returning to Mu, Doraemon and his friends are hailed as heroes before returning home.