A Canadian news and current affairs program in the mold of 60 Minutes. It's been a staple of the CBC for 25 years. Adrienne Clarkson was the first host.
In 1982 the episode The Cruel Camera exposed the cruel hoax that the Walt Disney company perpetrated on the masses: the infamous lemming migrations in which they lept from the clifftops was a fraud.
The first three "estates" represent the clergy, the nobility, and the common people. The fourth estate are the ink-stained wretches of the print media. Their electronic cousins make up the fifth estate.