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    The season premiere of “Breaking Bad” is finally just days away. This Sunday, the first half of the final season will be on the television sets of hardcore fans everywhere.

    But before you get ready to find out what dark events are in Walter White's future, take some time to learn a few things you might not have known about Breaking Bad.

    SPOILER ALERT: If you are not caught up with the series, there are spoilers ahead.

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    10 actors cast on the show, including Bryan Cranston (Walt), Aaron Paul (Jesse), and Dean Norris (Hank), had previously appeared on "The X-Files", which "Breaking Bad" creator Vince Gilligan produced. (IMDB)

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    According to Urban Dictionary, the term “breaking bad” is a slang term from the American Southwest and means “to challenge conventions, defy authorities, and skirt the edges of the law.”

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    If you listen to the commentary on the first season's DVD set, creator Vince Gilligan reveals that he originally intended for the character of Jesse Pinkman (Aaron Paul) to be killed off, but decided against that after being impressed with Paul’s performance. (IMDB)

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    The name Walt gives to his alter ego, “Heisenberg,” is a tip of the hat to Werner Heisenberg, one of the most important physicists of the 20th century. He won the Nobel Prize for developing the theory of quantum mechanics. (IMDB)

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    Bob Odenkirk, the man who plays sketchy lawyer Saul Goodman on the show, is also a successful writer, producer, and director. A comedy veteran, his resume includes gigs on ”Saturday Night Live”,  “The Ben Stiller Show”, “Late night with Conan O’Brien,” "Mr. Show" and the “Tenacious D” series.

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    Large sugar crystals (aka rock candy) are used as a prop for the infamous blue meth that Walter and Jesse cook and that many of the characters on the show smoke. (IMDB)

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    One of everyone’s favorite supporting characters ran into a little trouble while filming her introduction.  The crew was shooting a scene featuring Wendy the prostitute (Julia Minesci) when they were interrupted by a person who mistook the actress for a real hooker and tried to pick her up. (IMDB)

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    The death of Jane (Krysten Ritter) was shocking as is, but according to Bryan Cranston at the winter 2010 TCA tour, it was originally supposed to be even more dreadful. Before it was changed, Walter was directly responsible for pushing Jane onto her back while she slept, which sets off her coughing and choking to death. 

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    Giancarlo Esposito, who played Chilean drug kingpin Gustavo “Gus” Fring, isn’t actually even Hispanic. He is half African-American and half Italian, but still ended up impressing all of the native Spanish speakers he shared multiple scenes with.

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    Next: Breaking Bad's Most Wanted

    During season one, the writers strike proved to be an ally for the story that creator Vince Gilligan wanted to tell. He originally intended to have Walt’s transformation into a darker person happen a lot faster, but the strike allowed him to find a way to do it a little more slowly and realistically.  (IMDB)