Tales of old speak of the legends of Excalibur, a sacred sword. The sword is wielded by those who are worthy of its power, bestowing them extraordinary strength and granting them the title of Arthur. However, a divine miracle results in the creation of multiple Excaliburs, thus distorting the fabric of time. Aiming to revert time to its original course, a group of six Arthurs composed of Danchou, Renkin, Kakka, Yamaneko, Tekken, and Rurou are sent back in time when the abnormal Excaliburs were spawned. They are assigned with one sole task: to destroy the Excaliburs of the past—all of which total up to one million.

A Ripple in Time Turns the Crucial Tide of WWII. Scheduled for routine military exercises, Commander Kadomatsu and the crew of Japan's newest and most modern Battlecruiser, The Mirai, are ready to test out the ship's state-of-the-art Aegis System. Instead, they find themselves transported back to June 4th, 1942—date of the crucial Battle of Midway, where the Japanese fleet was dealt a crippling blow. When an overzealous Kadomatsu rescues one of the battle's victims, Kusaka, from a sinking zero fighter, the Mirai's fate is sealed. The crew pledges not to do anything to alter the past further. However, they're now forced to fight a U.S. submarine in a battle that should never have occurred. Thus setting off a chain of events that may forever change the flow of history! (Source: Geneon Entertainment USA, edited)

Three years since the return of the legendary Space Battleship Yamato, Earth has begun rebuilding itself and has made peace with the Gamilans. However, this recovery comes at the cost of utilizing the forbidden Wave Motion technology. Meanwhile, the notorious former crew members of the Yamato, who have each gone their separate ways, receive a psychic message from the mysterious Goddess Teresa. She urges them to return to their beloved ship and travel to the distant planet Terezart. They are promised a revolutionary power to combat the unprecedented threat of the relentless Gatlantis Empire, who are approaching Earth with all but innocent intentions. Unable to resist her plea, the crew reassembles and sets sail on another perilous intergalactic voyage, one that will test their sheer courage and versatility in the face of an even greater foe.

As Shinsei Inazuma Japan was about to have a match with Inazuma Legend Japan, a mysterious attack of a person and a swarm of robots interrupted, and another mysterious girl's power drove the world into another dimension. As the world of Inazuma Eleven Go and Danball Senki W met, the two teams must work together to find out what happened to their worlds. (Source: Wikipedia)