Episode 4: Exciting! Summer Camp!
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Summer Camp! The students are going to the Geological Museum, JAXA, and more. Sakura gets unusually excited looked at different minerals and fossils while Ino gets excited watching her. On the other hand, Monroe, Mira, and Ao get excited over rockets and artificial satellites. Mira and Ao try asking different people for information on discovering asteroids, but they aren't able to gather any clues. Though after enjoying a barbeque and some stargazing at the home of Endou-sensei's grandparents, their teacher digs up something...
It's very small, but it's a real fossil.
.إنها صغيرة للغاية لكنها مستحاثة حقيقيّة
Es ist zwar sehr klein,
aber ein waschechtes Fossil.
Es pequeño, pero también es un fósil.
Es pequeño, pero también es un fósil.
Aussi petit qu’il soit,
c’est un beau fossile.
Per quanto minuscolo, è un vero fossile.
É muito pequeno, mas é um belo fóssil.
Пусть и маленькая, 
но всё же настоящая окаменелость.