Slayers

Disaster and Danger? This Place is a Wonder Island! (3x15)

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In this filler (A.K.A. Useless episode) Lina wanders around in several worlds guided by a pig. She finds Zelgadis in costume, and decide to break out of this utter nonsense. She uses a Dragon Slave, breaking a wall, and they both find out they are in an amusement park, theme is where you could travel the world, where Filia is having a good time.