The action role-playing game Tales of Symphonia, which inspired the anime adaptation, was first released for the Nintendo GameCube.
The announcement of the anime adaptation of Tales of Symphonia was made, marking the transition of the video game into animated format.
The first episode of Tales of Symphonia: The Animation aired in Japan, beginning the broadcast of the anime series.
The first OVA of the series titled 'Sylvarant Histories' was released, expanding the story of the anime.
The second OVA of the series titled 'Tethe'alla Histories' was released continuing the expansion of the storyline.
The third and final OVA episode titled 'The United World' was released to conclude the animated story arcs.
Creation of the worlds of Sylvarant and Tethe'alla, two parallel worlds connected by a flow of mana.
Mana begins to fade in the worlds of Sylvarant and Tethe'alla, threatening the existence of both worlds.
The Chosen is selected to go on a pilgrimage to regenerate the mana of the world by awakening the four Summon Spirits.
Lloyd Irving, Colette Brunel (the Chosen), Genis Sage, and Raine Sage leave Iselia to begin their pilgrimage to awaken the Summon Spirits and save the world.
Colette successfully awakens the first Summon Spirit, leading to the regeneration of the Insel region in Sylvarant.
The group meets Kratos Aurion, who joins their journey and provides vital assistance and insight into their mission.
The group participates in the Coliseum tournament, facing powerful opponents and uncovering plots against the Chosen.
Colette awakens the second Summon Spirit, regenerating the land of Hyland and continuing the pilgrimage.
The group discovers the truth about the paralyses of mana and the manipulation by higher powers controlling the regeneration process.
Colette awakens the third Summon Spirit, further advancing their pilgrimage towards restoring balance.
The organization Yggdrasill is revealed to be behind the nefarious plans to exploit mana, leading to a confrontation.
The group confronts the source of the mana crisis in the Tower of Salvation, facing the true antagonist and striving to save both worlds.
