Question: Which series were before "Falling Skies"?
About the article "Falling Skies", section "Online promotion".

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In September 2010, Dark Horse Comics, in partnership with DreamWorks Television and TNT, released the first issue in a four-part digital comic online limited series entitled "Falling Skies".
Written by Paul Tobin with art by Juan Ferreyra, the series details events taking place before season one of the television show, but after the alien invasion and victory.
These issues were later compiled into a single trade paperback volume entitled "Falling Skies Volume 1", which was released June, 2011.
On June 15, 2011, Dark Horse announced that due to higher-than-anticipated orders, the graphic novel had completely sold out.
It remains in publication .
In April 2012, Dark Horse began releasing a second eight-issue limited series entitled "Falling Skies: The Battle of Fitchburg", with Paul Tobin returning as writer and Juan Ferreyra returning as series artist.
The digital comic was made available through both Dark Horse Comics and TNT via their respective websites.
The story takes place chronologically between seasons one and two of the television show, and detail a costly engagement occurring between the skitters and the 2nd Massachusetts Militia Regiment when the aliens surround the human forces at Fitchburg, Massachusetts.
While not vital to the story of the television series, TNT and Dark Horse have stated that "Falling Skies: The Battle of Fitchburg" provides insight into the events leading up to season two, and will elaborate on how the characters got to where they are when the new season opens.
As a companion to the comic, TNT released an audio series featuring the character John Pope, offering additional insight into the events detailed in the comic series. 
This is a list of characters from the TNT television series "Falling Skies". 
Anne Glass is a fictional character on the TNT television series "Falling Skies" played by Moon Bloodgood.
She is the "de facto" female lead.
"Falling Skies" tells the story of the aftermath of a global invasion by several races of extraterrestrials that neutralizes the world's power grid and technology, quickly destroys the combined militaries of all the world's countries, and apparently kills over 90% of the human population within a few days.
Anne was a pediatrician before the invasion.
She is very inclined towards the civilians, and believes that they should do all they can to help them.
Her husband and son were killed at home in the bombings during the invasion. 
 "Compass" (TV program), an Australian news-documentary series "", the local news program on Prince Edward Island Compass ("Falling Skies"), an episode of the American television drama series "Falling Skies"  
Falling Skies is an American science fiction post-apocalyptic dramatic television series created by Robert Rodat and executive produced by Steven Spielberg.
The series stars Noah Wyle as Tom Mason, a former Boston University history professor who becomes the second-in-command of the 2nd Massachusetts Militia Regiment, a group of civilians and fighters fleeing post-apocalyptic Boston following an alien invasion that devastated the planet six months before the events of season one.
The series is broadcast in the United States on the cable channel TNT, and is a production of DreamWorks Television.
The series premiered on June 19, 2011.
On July 2, 2013, TNT renewed the show for a fourth season of 12 episodes which will premiere on June 22, 2014.