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Through the seasons he’s made some happy holiday memories, though, like when Penny gave him Leonard Nimoy’s used napkin from the Cheesecake Factory in season two’s “The Bath Item Gift Hypothesis,” and when he and then-girlfriend Amy gave each other sweet gifts - homemade cookies from his grandma’s recipe for him, a personalized photo frame with a pic of Sheldon with Santa for her - in season eight’s “The Clean Room Infiltration.”
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Sheldon Cooper was initially a Grinch, hating on all things Christmas because his beloved Pop Pop died when he was 5, and Sheldon’s Christmas wish - to bring Pop Pop back - was denied. Here’s our rundown of all the Theory-isms that continue to keep the CBS sitcom churning after all these years.Īs the amount of affection she was getting from now-ex-boyfriend Sheldon increased, Amy’s crush on Penny cooled, but during the early seasons of the ladies’ friendship, Amy Farrah Fowler could not be less than subtle about her physical interest in Penny: She presented Penny with a painted portrait of the two of them, which Amy said had originally been a nude portrait she drunkenly kissed Penny in season four’s “The Agreement Dissection,” and sang lyrics from Katy Perry’s “I Kissed a Girl” and after Penny tried to explain Schrödinger’s Cat with a real-life example, Amy told her, “Homespun stories, knowledge of physics, and a bosom that defies it. They love comic books, costumes, video games, and sci-fi in all forms of media, but what are the other recurring themes, jokes, and life experiences that make up Sheldon, Leonard, Howard, Raj, Penny, Amy, Bernadette, Stuart, and their Big Bang Theory characters we’ve been following for nine seasons? Just as each of those characters can be largely defined by his or her eccentricities (we could write a book on Sheldon alone), some of those quirks also point to how much each of them has evolved throughout the seasons (even if some of them still have a significant way to go).