Calvin did a report on bats for school in a story arc from 10/27/1998 to 11/4/1998. In it, he exposed his dubious knowledge of bats (he firmly believed them to be bugs when they were actually mammals). As he had done no research, he opted for a dramatic, sensationalistic speech highlighting the terrifying aspects of bats. Also, his scientific illustration looked like a copy of the Batman logo with fangs added. Calvin ultimately failed the assignment.

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