Season 0 of Queen's Blade premiered on June 25, 2009.

Season 1 of Queen's Blade premiered on April 2, 2009.

In 4 years time the competition that will decide who the next Queen shall be will start. The strongest warrior will continue to rule the country according to tradition and expand it. The contestants need only be older than 12 years. They need not be human, intelligent or even of that country. The rules for the tournament are simple: murder is allowed. Any weapon can be chosen. The winner is decided when one of the participants flees or can't move anymore. Such event is broadcast through a crystal sphere by the court's magic teacher to all population to see and enjoy.

Season 2 of Queen's Blade premiered on September 24, 2009.

After experiencing the numerous trials encountered on her journey, Reina has grown as a warrior. Determined to take part in the Queen's Blade tournament, she arrives at the capital city Gainos, where Queen Aldora awaits. There gathers a number of beautiful warriors who, like Reina, are there for the Queen's Blade.

Amongst them is Reina's sister, Claudette, determined to restore the glory of House Vance; Tomoe and Shizuka, who are both fighting for their homeland of Hinomoto; Nanael who has been ordered to participate by the Archangel; and the subordinates of the Marshland Witch.

All these beautiful fighters who gather in Gainos have been one objective, to win through the Queen's Blade, the tournament to select the strongest, most beautiful queen. Who would ascend to that glorious throne? That can only be determined via battle.

Season 3 of Queen's Blade premiered on April 3, 2012.

The story is set four years after the first storyline and revolves around Annelotte, the rebelling knight princess who stands up to the tyranny of the new queen.