Ep. 1: See the Aquatic Animals

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Drossel von Flügel meets with Gedächtnis in the main hall of the Flügel Manor, (she calls him Shiskababoo in this episode), and requests that he show her dolphins. Gedächtnis complies with her wishes, and uses the castle's image database to search for pictures of the animal. After locating photos of dolphins in the database, Gedächtnis explains that the dolphin was once the second most intelligent animals on Earth. Just as she ask to see the pictures, however, the power in the manor goes out leaving them in total darkness. Drossel, then discovers that she has a lighting system in her eyes to see in the dark, which is comically ineffective. (Source: Fireball Wiki)