Of course, an advertiser will run commercials more than once, so viewers may be able to see your spot several times. However, the number of times it runs is out of your control. So you shouldn’t rely on repetition to get your message across. It should be clear and complete even if seen just once.
TV doesn’t get much respect. It rots your brain and grows couch potatoes. But the so-called idiot box also swings elections, rewires brains, snares criminals, and even sways the Supreme Court. The following may not be the best shows of the last 25 years—in fact, some are among the worst—but their impact reaches far beyond the living room.