*The Big Bang Theory,* never fails to surprise us with his unconventional ways. In one particularly hilarious moment from Season 2, Episode 2, he went above and beyond his usual quirks by deciding to make his own underwear. But wait—this wasn’t just any ordinary underwear. It was historically accurate, hand-crafted using... Leonard's pillowcase!  The scene unfolds with Leonard innocently pointing out Sheldon’s modern-looking underwear. Sheldon, unfazed, replies with his trademark matter-of-fact tone, revealing he “fashioned historically accurate undergarments out of linen.” Naturally, Leonard is baffled and asks an obvious question: “You went out and bought linen?” What comes next sent fans into fits of laughter—Sheldon casually admits, “Don’t be silly. I borrowed one of your pillowcases!” Correction: *barred,* as he pronounces it.