Louise Françoise Le Blanc de La Vallière es una miembro de la nobleza que es terrible en la magia, ya que sus intentos suelen resultar en una explosión. Sus compañeros la apodan «Louise the Zero», debido a su incapacidad para usar cualquiera de los cuatro elementos mágicos. En la Academia de Magia de Tristain, los estudiantes de segundo año realizan un ritual especial en el que convocan a su familiar , que sirve como su compañero, protector y socio eterno, y generalmente es algún tipo de criatura mágica. Pero Louise convoca a Saito Hiraga, un adolescente normal de Japón, dejándola totalmente humillada.
Zero no Tsukaima (Temporada 4)
Louise of the Holy Land (Episodio 1)
Fecha de emisión: 2012-01-07
Duración: 25 min
Sinopsis: Queen Henrietta has ordered everyone to Romalia, once there they meet the Pope of Romalia, Saint Aegis the 32nd. He has summoned them to reveal a secret, one that involves void mages and the fate of the world.
Aquileia's Shrine Maiden (Episodio 2)
Fecha de emisión: 2012-01-14
Duración: 23 min
Sinopsis: King Joseph has developed a weapon of mass destruction and needs the help of a void mage. With three mages to choose from, which one will become his unfortunate pawn?
The Incompetent King Gone Mad (Episodio 3)
Fecha de emisión: 2012-01-21
Duración: 23 min
Sinopsis: King Joseph new weapon is a bomb fueled with Louise’s Explosion spell. Will Saito, with the aid of a new “out of place relic,” reach Louise in time before she makes the ultimate sacrifice?
The Queen's Reward (Episodio 4)
Fecha de emisión: 2012-01-28
Duración: 23 min
Sinopsis: Louise and Saito are searching for their very own Mansion. Tabitha finally receives the medicine to heal her mother, and Queen Henrietta gives Saito an unexpected reward.
The Maidens of De Ornierés (Episodio 5)
Fecha de emisión: 2012-02-04
Duración: 23 min
Sinopsis: Saito and Louise have received an unexpected visitor, Louise’s sister Eleanor. She strongly suggests that Saito is inferior and Louise is ruining the House of La Valliere. Can Louise turn Saito into a gentleman or will it form a riff in their relationship.
Trouble at the Outdoor Bath (Episodio 6)
Fecha de emisión: 2012-02-11
Duración: 23 min
Sinopsis: After the discovery of a hot spring on their land, Saito decides it is the perfect time to have a hot springs party. Though he invited everyone, an unforeseen guest appears and shocks the crowd.
Elves from the desert (Episodio 7)
Fecha de emisión: 2012-02-18
Duración: 23 min
Sinopsis: The elemental siblings have returned and have caught Saito and Louise off guard. While the battle rages in the front of the mansion, a group of familiar elves have arrived and use the chaos to kidnap Tiffania.
Escape Through the Sewer (Episodio 8)
Fecha de emisión: 2012-02-25
Duración: 23 min
Sinopsis: As the Ostland flies at max power to the elven land, Saito and Tiffa are put before the council to decide their fate. Eshmael provoking words causes Saito to lash out, causing the other council members to agree that the barbarians must be destroyed. Will the Ostland make it in time or will a war start with the elves?
Tabitha's Coronation (Episodio 9)
Fecha de emisión: 2012-03-03
Duración: 23 min
Sinopsis: The Ostland makes it to Reynald, Gallia’s Kingdom, where Tabitha has offered to repair the ship. While there she informs them that she is taking the crow and becoming Queen. Louise has the deal with her jealous feelings as Saito spends more time with Tiffa.
The Awakening of Calamity (Episodio 10)
Fecha de emisión: 2012-03-10
Duración: 23 min
Sinopsis: Saito, Louise, and Tiffania have been summoned to Romalia by his Holiness. They were to meet Julio near the Aquaria’s border, but once there they witness a scene that will affect everyone’s future.
Louise's Choice (Episodio 11)
Fecha de emisión: 2012-03-17
Duración: 23 min
Sinopsis: Julio and Saito continue their battle with the Ancient Dragon, but Saito won’t talk about the loss of his partner. Louise can see the pain on his face and has faced with her toughest decision to date.
Zero's Familiar (Episodio 12)
Fecha de emisión: 2012-03-24
Duración: 23 min
Sinopsis: Saito is trapped in Japan while his friends fight against the Ancient Dragon. Even if he is able to return to Halkeginia, will he make it in time?
