Aired: 4/28/2007
Aired: 8/24/2008
The New York City sewer system is an engineering marvel and a murky source of urban legend. It contains more than 6,000 miles of water mains and pipes, and handles more than a billion gallons of waste each day. Watch as host Kelly Choi solves the mystery of the sewer system.
Aired: 8/30/2008
Aired: 6/13/2010