When the winter doldrums arrive at the zoo, a very small hippo and a young kangaroo decide to stage a "ZooZical," a show to display their singing, dancing, acrobatic, and other talents to the people of Springfield.

When Ines says she wants a dog, her mother explains why a dog--or any other common pet--is unsuitable, and takes her to the zoo, suggesting the zoo animals would be much better, and she can visit them any time she likes.

Whenever you hear the sky rumble, that usually means a storm. In Virgil Flowers' case, make that two. The first storm comes from, of all places, the Minnesota Zoo. Two large, and very rare, Amur tigers have vanished from their cage, and authorities are worried sick that they've been stolen for their body parts. Traditional Chinese medicine prizes those parts for home remedies, and people will do extreme things to get what they need. Some of them are...