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13 Dumbest Decisions By 'The Big Bang Theory' Characters

List RulesVote up the times the BBT 'geniuses' were extremely stupid.

Making mistakes shouldn't be a big deal in general, but the characters from The Big Bang Theory are supposed to be geniuses, which makes their mistakes stand out in particular. The characters have goofed up plenty of times, usually through making decisions that are clearly not the smartest moves to make. These resulted in the characters suffering from the consequences, such as embarrassment, humiliation, and all-around bad luck.

Here are what may just be The Big Bang Theory's dumbest moments.

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  • 1
    44 VOTES

    Penny Gets Married To Zach On A Whim And Doesn't Think It's Serious For Years

    Photo: CBS

    In Season 7, episode 9, "The Thanksgiving Decoupling," Penny reveals she had once gone to Las Vegas with Zach and gotten married in a "fake" ceremony. Her friends then make her realize that she'd ended up deciding to get married for real since those ceremonies are legally binding.

    Penny then has to summon Zach and get divorced after realizing they'd been married for years.

    Dumb move?
  • 2
    30 VOTES

    Sheldon Changes The Address Of The Building To Hide From Amy Even Though She's Already Been There Before

    Photo: CBS

    In Season 4, episode 5, "The Desperation Emanation," Sheldon thinks Amy wants him to be her boyfriend and goes to great lengths to avoid her. He changes the address of his building and even asks the delivery man to go along with it.

    However, Amy shows up at his place, anyway, which Leonard points out is due to the fact that she's been there before, and changing the address won't make a difference. 

    Dumb move?
  • 3
    28 VOTES

    Howard Almost Gets A Tattoo To Impress A Girl

    Photo: CBS

    In Season 3, episode 3, "The Gothowitz Deviation," Howard and Raj pose as tattoo enthusiasts and put on fake tattoos to impress girls. Howard manages to accomplish his goal, but his date claims she'll be fully attracted to him if he gets a tattoo in front of her. Howard decides to go through with it despite being afraid of tattoo needles and almost gets one on his rear until he chickens out.

    Due to this, he gets embarrassed in front of the girls and has to drive Raj back home feeling humiliated.

    Dumb move?
  • 4
    60 VOTES

    Howard Allows A Girl He Wants To Impress To Drive The Mars Rover

    Photo: CBS

    In Season 2, episode 8, "The Lizard-Spock Expansion," Howard finally manages to impress a girl to have her leave with him. However, he then calls his friends at Jet Propulsion Laboratory in an emergency to tell them he convinced her to come through the promise of letting her drive the Mars Rover, which ends up getting stuck in a ditch.

    His attempt to hit it off with a date nearly caused him to not only lose his job but also destroy technology that is worth billions of dollars.

    Dumb move?