平凡な高校生・平賀才人はある日突然、異世界ハルケギニアに召喚されてしまう。彼をこの世界に召喚したのは、トリステイン魔法学院の生徒でありながら魔法の才能がまるで無い「ゼロのルイズ」こと、ルイズ・フランソワーズ・ル・ブラン・ド・ラ・ヴァリエールだった。 失敗とはいえ、召喚の儀式によって呼び出された才人は、「使い魔」としてルイズと契約のキスを交わす。すると、才人の左手には使い魔の証である契約のルーンが浮かび上がった。こうして、ルイズと「犬」扱いされる才人との奇妙な同居生活と冒険が始まった。
ゼロの使い魔 (シーズン 4)
Louise of the Holy Land (エピソード 1)
放送日: 2012-01-07
上映時間: 25 min
概要: 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 (エピソード 2)
放送日: 2012-01-14
上映時間: 23 min
概要: 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 (エピソード 3)
放送日: 2012-01-21
上映時間: 23 min
概要: 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 (エピソード 4)
放送日: 2012-01-28
上映時間: 23 min
概要: 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 (エピソード 5)
放送日: 2012-02-04
上映時間: 23 min
概要: 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 (エピソード 6)
放送日: 2012-02-11
上映時間: 23 min
概要: 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 (エピソード 7)
放送日: 2012-02-18
上映時間: 23 min
概要: 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 (エピソード 8)
放送日: 2012-02-25
上映時間: 23 min
概要: 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 (エピソード 9)
放送日: 2012-03-03
上映時間: 23 min
概要: 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 (エピソード 10)
放送日: 2012-03-10
上映時間: 23 min
概要: 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 (エピソード 11)
放送日: 2012-03-17
上映時間: 23 min
概要: 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 (エピソード 12)
放送日: 2012-03-24
上映時間: 23 min
概要: 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?
