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    • 15 surprising facts you didn't know about 'Shark Tank'

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    • "Shark Tank" premiered in 2009 and is now in its 12th season.
    • Entrepreneurs pitch their businesses for an hour or two, but it gets edited down to 10 minutes. 
    • The sharks listen to six to eight pitches per day for 12 hours straight. 

    "Shark Tank" isn't an original show concept.

    In fact, it started as a series in Japan.

    The first version of "Shark Tank" aired in Japan in 2001, and it was called "Money Tigers." The show was then picked up in the UK and called "Dragons' Den."  In 2006, Canada made their own version under the same name. 

    It wasn't until 2009 that "Shark Tank" premiered in the US. 

    "Shark Tank" was not popular with audiences in the first season, and it was going to be canceled.

    When the show premiered in 2009, "very few people watched it," according

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