The Familiar of Zero: F

 (ゼロの使い魔: F, Zero no Tsukaima: F) is the fourth and final season of The Familiar of Zero anime directed by Yoshiaki Iwasaki which ran from 7 January 2012 to 24 March 2012.

Plot
Saito Hiraga's and Louise de la Vallière's adventures continue as familiar spirit and master, and later, husband and wife. More characters are revealed such as Vittorio Serevare, Pope of Romalia and familiar spirit of Julio Chesaré; Luctiana, a young elf; Arie, fiancé of Luctiana; and the Elemental Siblings, which consist of Jacques, Bleu, Jeannette, and Damien.