Premise: 30 Rock is an American satirical television sitcom created by Tina Fey that ran on NBC from October 11 , 2006 , to January 31 , 2013 . The series stars Fey with a supporting cast that includes Alec Baldwin , Tracy Morgan , Jane Krakowski , Jack McBrayer , Scott Adsit , Judah Friedlander , Katrina Bowden , Keith Powell , Lonny Ross , John Lutz , Sue Galloway , Kevin Brown , Grizz Chapman , Maulik Pancholy , and Rachel Dratch .
Hypothesis: Sue Galloway failed to appear in 30 Rock after failing her screen test.
Label: CONTRADICTION