Viewers quickly realized that Oliver was not only providing laughs, he also devoted about 18 minutes of each show to investigative journalism. He manages to make "60 Minutes"-like pieces both informative and funny at the same time.
This week, he took on standardized testing and hit it out of the park! Here is that piece. (Warning: It is HBO so you may hear a swear word now and then. The piece is a little silly for the first 2-3 minutes, but by the end you'll be looking for ways to share it.