You Won't Believe What the Cast of "The Big Bang Theory" Looks Like Now

Melissa Rauch as Bernadette Rostenkowski-Wolowitz

Bernadette was first introduced in Season 3 when Penny offered to set her up with Howard. Although there wasn't an immediate connection, the pair ended up typing the knot several seasons later. Bernadette quickly became a regular on the show, serving as Penny's first female companion.

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