Question: When did the first episode of the show Dexter air?
About the article "Dexter (TV series)", section "U.S. broadcast".

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In December 2007, CBS announced that it was considering Dexter for broadcast over the public airwaves, making "Dexter" the first show in 20 years to air on a broadcast network after it had been shown on a premium cable channel.
However, the Parents Television Council (PTC) publicly protested the decision, because of the show's graphic violence.
In a 2008 press release, PTC president Tim Winter stated the following:Although some critics objected to "Dexter"'s edited broadcast, CBS, in response to the PTC, moved it up to a later timeslot and replaced expletives, using substitutes such as "frickin'" and "mother lover".
Also, the scene in the car, in which Dexter inappropriately touches Rita thinking of bloodless bodies was removed.
In addition, bloody scenes were cut out by the network, as well as giving the show a TV-14 Rating.
While the PTC was still against CBS airing the episode, CBS eventually broadcast the episode on February 17, 2008. 
"It's Alive!"
is the second season premiere and thirteenth overall episode of the American television drama series "Dexter", which first aired on September 30, 2007 on Showtime in the United States.
The episode was written by Daniel Cerone and was directed by Tony Goldwyn.
In the episode, which takes place five weeks after the first season finale, Sgt.
James Doakes (Erik King) is following Dexter Morgan (Michael C. Hall) at all times, but when he gets his first opportunity Dexter finds himself unable to kill.
Meanwhile, his sister Debra (Jennifer Carpenter) returns to work after her ex-fiancé Brian tried to kill her, and his girlfriend Rita Bennett (Julie Benz) refuses to believe that Dexter sent her ex-husband Paul (Mark Pellegrino) to prison in spite of the evidence in front of her.
Although "Dexter"s first season was adapted from Jeff Lindsay's novel "Darkly Dreaming Dexter", the show's writers decided not to follow Lindsay's second novel, "Dearly Devoted Dexter", in the second season.
Filming of the episode began in May in Los Angeles, California, marking the show's permanent move from Miami, Florida, where the show takes place.
A small crew flew to Miami to film short pieces of Dexter which were integrated into "It's Alive!"
and other episodes, but the bulk of filming took place in San Pedro and Long Beach.
With 1.09 million viewers, "Dexter" became the first Showtime series to attract over a million viewers with a season premiere.
The episode received mostly positive reviews. 
Reviews of the pilot were generally positive.
David Hinckley of the "New York Daily News" called it "bold, different and exciting, with a central character and performance that take your breath away".
Hinckley praised Hall's dynamic Emmy-worthy performance, and the "indispensable and haunting" narration.
Maureen Ryan of the "Chicago Tribune" claimed "to deny yourself the engrossing "Dexter" based on its subject matter would be to miss out on one of television's most fiendishly intelligent new dramas".
Ryan enjoyed the series' black comedy aspects, which she thought were "infused with the most pitch-dark irony on television".
Matthew Gilbert of "The Boston Globe" was impressed by Hall's grand performance, especially in his ability to make Dexter likable.
Gilbert praised the set designers, comparing the crime scenes to a "Vanity Fair" photo spread.
Critics reacted positively to the character of Dexter.
"Entertainment Weekly"s Josh Wolk called him "the hippest-looking killer since "American Psycho"s Patrick Bateman".
"The San Francisco Chronicle"s Tim Goodman said "What makes the series work so well is twofold.
Hall is magnificent; it's another sterling performance from him.
But instead of being pent up yet emotionally explosive, like his David Fisher on ""Six Feet Under"," he's cool and calculated and entirely without compassion as Dexter.
That makes him alluring, in a strange way.
while Ryan found him to be "among the more compelling characters on the small screen".
Gilbert described Dexter as a cross between Hannibal Lecter and Clarice Starling, calling him a vigilante obsessive murderer with a slippery personality, but "also a hero of sorts".
InsidePulse.com reviewer Mathan Erhardt said that the episode did not quite meet his expectations and that "to me the major flaw in the show is Dexter’s noir-esque narration", although he finished the review by saying ""Dexter", despite it’s flaws is yet another reason why Sunday night is one of my favorite nights to watch TV.
"IGN gave the pilot episode an "Outstanding" rating of 9 out of 10, with Dan Iverson starting his review by saying "Every once and a while a show will come along that will be so creepy and so intriguing that you feel compelled to watch.
Dexter is one of those shows. "
and summarized with "The pilot episode did an extremely good job hooking us into the world of Dexter.
We are meant to feel confused by his actions, and only time will tell how the show deals with this topic - will Dexter ever go too far, making us turn on our protagonist?
There are so many questions that we have about this show, and that is a good thing.
Personally we cannot wait to see how long this game of cat-and-mouse goes on with the unknown serial killer and Dexter.
With the solid introduction to the series, characters, and future storylines, we can't help but recommend Dexter to anybody that is at all curious about the show. "
IGN reviewer Matt Fowler later placed Mike Donovan third on a list of "Dexter's Top 10 Kills", saying "We all remember our first.
First car.
First love.
First staph infection.
And when it comes to Dexter, first kill.
No Mike Donovan, the church choir master, wasn't Dexter first dead body, but he was our televisual introduction into Dexter's wicked world of revenge and reckoning."
IGN also declared the show as the "Best New Psycho Drama of 2006".TVSquad reviewer Jonathon Toomey gave the first episode 9 out of 10 and said of it that "This show is legit, well-worth watching.
The only reason I'm holding back that last star is because the screener DVD I received only had the pilot episode and I suppose it's possible that the show could go downhill after that.
But I wouldn't bet on it. "
Toomey also later added another review of the premiere, stating that "I'm worried though.
Dexter is good.
In fact, it's really good.
That's why I'm worried.
Why?
Because Showtime has a nasty little habit of canceling great shows.
There was "The Chris Isaak Show".
Then "Dead Like Me".
The most recent casualty?
"Huff".
All three of those shows were spectacular.
And you know what?
Dexter is better than all of them.
So, yeah...
I'm worried.
"However, not all reviews were as positive.
Robert Abele of "LA Weekly" thought the pilot was average, containing "fashionable gore, occasionally witty dialogue, serviceable suspense and boilerplate police-department politics".
Abele felt that the series was a superhero tale, rather than the dark comedy, police thriller and brooding drama that it was promoted to be.
Brian Lowry of "Variety" did not think that "Dexter" would impress critics, and noted, "antics of the deranged... aren't really all that pleasant to watch", but praised Hall's acting saying that he "... quickly dispatches any thoughts of his "Six Feet" character, which, by itself, represents quite an accomplishment."
Nancy DeWolf Smith of "The Wall Street Journal" felt that the "grotesqueries of "Dexter" are not something that can easily be dismissed with the old 'you don't have to watch' line.
We don't have to watch.
We do have to live among the viewers who will be desensitized, or aroused, by this show". 
 "Father Knows Best" ("Dexter"), 2006 "Father Knows Best" ("Fresh Prince of Bel-Air"), 1994 "Father Knows Best" ("The Bernie Mac Show"),  ""Father Knows Best???"
("Perfect Strangers"), a two-part episode of "Perfect Strangers" "Father Knows Best", an " "Father Knows Best", an episode of "Gideon's Crossing" "Father Knows Best", an episode of "The Tortellis" "Father Knows Best", an episode of "High Incident" "Father Knows Best", an episode of "Eight is Enough"  "Father Knows Best", an episode of "Pretty Little Liars" "Father Knows Best, Even When He's a Ghost", an episode of "Ghostly Encounters" "The Father Knows Best", the alternative title of "The O.C."
episode "The Test"  
Dexter was born on February 1, 1971.
At the story's outset, Dexter knows very little about his life prior to being adopted by Harry Morgan (a Miami detective), and his wife Doris.
Harry only tells Dexter that his parents were killed in a car accident.
When Dexter is seven, Harry discovers that the boy has been killing neighborhood pets.
Harry realizes that Dexter is a sociopath with a deep need to kill, and decided to channel the boy's homicidal urges in a "positive" direction by teaching him to be a careful, meticulous killer of people who "deserve it"—murderers who had escaped justice.
Doris died when Dexter was 16, and Harry died when Dexter was 20.
In the second season, Dexter's nemesis, Sergeant James Doakes, discovers that Dexter pursued blood spatter analysis, despite being top of his class at medical school.
He also notes that Dexter studied advanced Jujutsu in college.
Both the television show and the first novel gradually reveal Dexter's complete back story.
Dexter was born out of wedlock in 1971 to a young woman named Laura (Laura "Moser" on the show), although a later episode says he graduated high school in 1991.
In the novels, Laura was involved in the drug trade.
On the show, Laura was a police informant for Harry Morgan and his secret mistress.
Dexter's father (named Joseph Driscoll on the show) was in the US Army and served in the Vietnam War, but later became a drug-addicted criminal.
Dexter also had an older brother named Brian.
On October 1, 1973, Dexter and his brother witnessed their mother's brutal murder at the hands of three drug dealers.
For two days, the brothers were left neglected and sitting in a pool of blood.
Harry adopted the three-year-old Dexter, while Brian was left to the child welfare system.
Dexter only remembers his mother's murder later in his life when he is called to an extremely bloody crime scene left by his brother—who has also grown up to be a serial killer.
In the novel, Brian escapes Miami, but returns in "Dexter Is Delicious".
On the show, however, Dexter catches and (reluctantly) kills Brian, aware that he would never stop trying to kill Debra or other innocent people.