A promotional preview summary of the events in Detective Conan Movie 09: Strategy Above the Depths. Aired before the movie.

A Holy War, from ancient mythology, where the Goddess Athena and Hades have fought against each other while defending the earth repeatedly over the span of 200 years. The story takes place in 18th century Europe, 243 years prior to the original "Saint Seiya" Three small children, Tenma, Alone, and Sasha have all shared a very happy childhood together. Tenma who is quite aggressive but upstanding has moved to Sanctuary to become a saint. It is there that he is reunited with Sasha who is the sister of Alone and learns that she is the reincarnation of Goddess Athena. Alone, who is kind, gentle and loves painting was chosen for the body of enemy King Hades. Tenma eventually becomes a saint of Pegasus and engages in a fierce battle with his best friend Alone, the King of Hades. Pegasus Tenma, King Hades, and the Goddess Athena and through the twist of their 3 fates merge together which unfolds a prologue to the original Saint Seiya.

Karin, 11 years old, is abandoned by her father at her grandfather’s house, the monk of a small town in the Japanese countryside. Her grandfather asks Anzu, his jovial and helpful although rather capricious ghost cat, to look after her. The meeting of their strong characters causes sparks, at least at the beginning…

Ten years ago, the villainous scientist Dr. Hell led his wicked followers, known as the Underground Empire, in a struggle to destroy all of humanity. It was against these forces that the young hero Kouji Kabuto fought, piloting the legendary super robot "Mazinger Z." Kouji's victory stopped Dr. Hell's evil plan and returned peace to the Earth. Now Kouji has left the pilot seat behind and become a scientist in his own right, following in his father's and grandfather's footsteps. Yet an unexpected encounter deep under Mt. Fuji triggers an even greater threat to mankind than ever before and alters Kouji's destiny forever. With humanity's fate in their hands, Kouji and Mazinger Z face a choice between good... and evil.