<Tr> <Td_colspan="2"> List of Dexter episodes </Td> </Tr> <P> The second season of Dexter premiered on September 30, 2007, and ended on December 16, 2007 . "It's Alive", the season premiere, attracted 1.01 million viewers in the United States, making Dexter the first Showtime series to attract more than a million viewers with a season premiere . The season finale, "The British Invasion", attracted 1.4 million viewers, making it the program's most - watched episode until the airing of the season three finale, "Do You Take Dexter Morgan?". Including digital video recorder (DVR) usage, season two was watched by an average of 2.4 million viewers on a weekly basis through 11 full weeks, outperforming season one by 21% . The season received universal acclaim from critics, and was praised as "one of the best shows on TV this decade" by the Chicago Sun - Times, while Variety considers Hall's portrayal of the title character as a "towering achievement, one that eclipses the show's other shortcomings and rough patches"; the aggregate site Metacritic scored the season at 85 out of 100 based on 11 reviews . </P> <P> In the season, the bodies of Dexter's victims are uncovered and an investigation is launched in Dexter's own department to find the killer, dubbed the "Bay Harbor Butcher". During this time, Debra struggles to recover after surviving the Ice Truck Killer's attempts to murder her, and Rita sends Dexter to Narcotics Anonymous meetings when she suspects that he has an addiction . Sergeant James Doakes (Erik King), stalks Dexter, suspecting that he is connected with the "Ice Truck Killer" killings . Three new characters are introduced: Keith Carradine appears as Special Agent Frank Lundy, an FBI agent who heads the "Bay Harbor Butcher" investigation, JoBeth Williams as Rita's mother Gail, and Jaime Murray as Lila Tournay, Dexter's Narcotics Anonymous sponsor . </P> <P> Starting with this season, the show no longer adapts the Dexter novels . Taking place a month after the first - season finale, Dexter has been unable to kill anyone due to Sgt . James Doakes monitoring his activities and his sister Debra now living with him as she recovers from her traumatic experiences concerning Brian, the Ice Truck Killer . Dexter also realizes that he's having trouble killing even when he has the opportunity, due to feelings of guilt over killing his brother Brian . </P>

What season of dexter is the bay harbor butcher
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