The Big Bang Theory has always been known for its witty humor, unforgettable characters, and moments of sheer comedic brilliance. But in Season 5, Episode 13, there’s one hilarious moment that fans still can’t stop talking about: Bernadette’s unexpected transformation into Mrs. Wolowitz. It all starts innocently enough with Howard and Bernadette having a casual conversation. But then, Bernadette unleashes her inner Mrs. Wolowitz (Howard’s loud and overbearing mother), mimicking her voice in a way that’s both spot-on and hilariously unexpected. With lines like, "Is there any butter? It’s butter-flavored syrup!" delivered in Mrs. Wolowitz’s exaggerated accent, fans were left roaring with laughter.