When three of the children Troy and Dillon brought to Earth get sick after drinking some water from a lake. The doctor who treats them says that the water was polluted with a toxic waste which was dumped by a corporation. The doctor says there's nothing he can do for them but Troy asks him to keep alive because he plans to call the Galactica for help. When Dr. Zee learns of what happened he decides to go to Earth himself, which Adama objects to. But Zee insists and goes. Written by
Did You Know?
According to the doctor treating the sick Galactica scouts, the kids had different blood cells to Earth humans. See more
The super scouts are unfamiliar with the term "eagle" as it is an animal indigenous to Earth and did not exist in the Colonies, yet in "War of the Gods," there are mugs in the officers club with an eagle on them. See more
[to Air Force colonel
I get the awful feeling we're getting closer to what you're looking for.