The show premiered to September 8, 2010 to 3 million viewers.

The series premiered in June that same year to over 2.47 million viewers.

The series was an instant success and premiered on September 26, 2007 to 10.44 million viewers.

The second season premiered on September 28, 2009 to 7.73 million viewers.

The series premiered on September 9, 2008 to 3.1 million viewers.

The series premiered on April 9, 2009 to 10.21 million viewers.

The series premiered on September 8, 2009 to 2.31 million viewers.

The series premiered on June 14, 2011 to 31,000 viewers.

The season four premiered to 1.83 million viewers and a 1.0 for adults 18-49.

The second season premiered on September 13, 2007 to 5.3 million viewers.