<Tr> <Td> Season Three </Td> <Td> September 30, 2008 </Td> <Td> October 20, 2008 </Td> <Td> 22 </Td> <Td> The four disc box set includes all 22 episodes . Bonus features include a gag reel, "Creating the characters" featurette and deleted scenes . </Td> </Tr> <Tr> <Td> Season Four </Td> <Td> September 15, 2009 </Td> <Td> October 5, 2009 </Td> <Td> 27 </Td> <Td> The four disc box set includes all 27 episodes . Bonus features include deleted scenes, a gag reel, "Earl's Fan Mail" featurette and a movie trailer inspired by the premiere episode . Also released on Blu - ray . </Td> </Tr> <P> The series premiered on September 20, 2005, drew in 14.9 million viewers in the United States, earning a 6.6 rating . By the airing of the third episode it was apparent that My Name Is Earl was the highest rated of NBC's new fall offerings, and a full season (22 episodes) was ordered . In its first month, it was also the highest rated new sitcom of the season to air on any network and was the highest rated sitcom on any network in the 18--49 - year - old demographic . The show was renewed for a second season (2006), a third (2007), and a fourth (2008). </P> <Table> <Tr> <Th> Season </Th> <Th> Timeslot (EDT) </Th> <Th> Season Premiere </Th> <Th> Season Finale </Th> <Th> TV Season </Th> <Th> Viewers (in millions) </Th> </Tr> <Tr> <Th> </Th> <Th> Tuesday 9: 00 P.M. (September 20 - October 18, 2005) <P> Thursday 9: 00 P.M. (October 25 - December 27, 2005) </P> </Th> <Td> September 20, 2005 </Td> <Td> December 27, 2005 </Td> <Td> 2005 </Td> <Td> 10.9 </Td> </Tr> <Tr> <Th> </Th> <Th> Thursday 8: 00 P.M. </Th> <Td> September 21, 2006 </Td> <Td> December 19, 2006 </Td> <Td> 2006 </Td> <Td> 8.9 </Td> </Tr> <Tr> <Th> </Th> <Td> September 27, 2007 </Td> <Td> December 25, 2007 </Td> <Td> 2007 </Td> <Td> 7.3 </Td> </Tr> <Tr> <Th> </Th> <Td> September 23, 2008 </Td> <Td> December 16, 2008 </Td> <Td> 2008 </Td> <Td> 6.6 </Td> </Tr> </Table>

When is season 5 of my name is earl