Osamu Tezuka's Last Mystery of the 20th Century (2000)

When the Ministry of Education goes back on its promise to keep Ooarai Girls Academy open, the task of saving the five-mile-long Academy Ship from the wreckers falls to Miho and her barely-seasoned tankery team. However, things go off track almost immediately. While the Oorai tank crew may have won the high school tournament, they’re now facing a larger and more experienced university team, and if they fail, their armored vehicles will be forfeit! Will they be swapping their tanks for the memories? It’s possible, but winning a tank battle is all about tactics and teamwork, and the fledgling Ooarai students have more friends and allies than anyone suspects.

In this OVA, Goku and his friends pose questions for the viewers about the Dragon Ball series.

Fifteen years ago in a barren stretch of the Pacific, a cruise ship collided with an iceberg and was lost at sea. More than a decade later, Hideto Yashiro—a ship engineer—died in a fatal car accident. The unlikely connection between these events only comes to light on the luxury liner St. Aphrodite during her maiden voyage. Aboard it on a much needed vacation, Kogorou Mouri, his daughter Ran, Conan Edogawa, and the Detective Boys enjoy a trip provided by Sonoko Suzuki's family. But their fun is soon cut short when a game of hide-and-seek leads to Sonoko's disappearance.

Kogoro's detective agency receives a mysterious phone call. Someone on the other end warns about a bomb and leaves behind a code, which if Conan can decipher the riddle, he can stop the bomb. An adventure begins for Conan and the Detective Boys, taking place at a soccer match between Hideo Akagi of the Tokyo Spirits and Ryusuke Higo of Big Osaka.

In the city of Oedo 2808a.d., three Cyber criminals are given two choices, to either rot in jail or to join a special force of the Cyber Police to get possibly one more chance at freedom ever again. For each criminal apprehended, and for each successful mission done, the state will agree to reduce their sentences. Lead by Hasegawa, the new recruits: Sengoku, Gogul, and Benton will bring some hard justice to Oedo and possibly taste freedom again.

A terrorist group invades a laboratory containing a deadly bacteria and destroys the lab with an explosion. They later announce via the internet they have gained possession of the bacteria and declare themselves to be the Red Siamese Cats, a terrorist group that was eradicated a decade ago.

Hiroshi and Misae have never been to a honeymoon trip to a foreign country. One day, Misae discovered an inexpensive and family-friendly holiday package to Australia and the Nohara family decided to make it their first honeymoon vacation. Hiroshi gets kidnapped upon arrival to Australia, leaving Shinnosuke, Misae and others on a dangerous journey. It turns out that Hiroshi is the key to a secret treasure. The remaining members of the Nohara Family must rescue Hiroshi, while a mysterious masked man and treasure hunters from all over the world are after him. The struggle is among three different groups in this action-filled treasure hunting adventure.

Ryo Saeba works the streets of Tokyo as the City Hunter. He's a "sweeper" and with his sidekick Kaori Makimura, he keeps the city clean. People hire the City Hunter to solve their dangerous problems, which he does with a Colt Python. When Ryo's not working on a case, he's working on getting the ladies, and Kaori must keep him in check with her trusty 10 kg hammer.

Conan tries to track down Kaito Kid, who supposedly steals a replica of one of Van Gogh's Sunflowers paintings during an auction.

Shibuya, Tokyo, is bustling with the Halloween season. A wedding is being held at Shibuya Hikarie, where Detective Miwako Sato of the Metropolitan Police Department is dressed in a wedding dress. While Conan and the other invited guests are watching, an assailant suddenly bursts in, and Detective Wataru Takagi, who was trying to protect Sato, is injured. Takagi survived and the situation was settled, but in Sato's eyes, the image of the grim reaper that she had seen when Detective Matsuda, the man she had been in love with, had been killed in a series of bombings three years ago, overlapped with Takagi's.