The Familiar of Zero: Knight of the Twin Moons (TV)

Scenes bearing slight resemblance to 300 scenes can be found during the war.

The character who first appeared in episode 3, Julio Cesare, his name is a reference to Julius Caeser, the ancient Roman Emperor

In episode 6, during the play, there was a reference to the liar's mouth, which will not let your hand come out when you tell a lie while your hand is inside. this is a reference to a real liar's mouth located in italy, but it was a mask of a river god and not a flower, and your hand will be cut off instead of not being able to take it out

In episode 8, at 4:19, Louise can be seen shouting the more polite version of the much celebrated "ore wo dare da to omotteiru" line from Tengen Toppa Gurren Lagann.