Dr. Bernadette Maryann Rostenkowski-Wolowitz, Ph.D ., is a former waitress at the Cheesecake Factory and has earned her Ph.D in microbiology and has a lucrative task at a pharmaceutical company. She began dating Howard Wolowitz in “The Creepy Candy Coating Corollary ” and eventually married him in “The Countdown Reflection “, Season 5 finale. She has her own apartment in Pasadena which Howard eventually moved into finally leaving Debbie Wolowitz’s house. In Season 7, they start thinking about creating a family after Debbie has to convalesce. After Debbie died in “The Comic Book Store Regeneration “, Howard and Bernadette eventually moved back into Howard’s house. They since have renovated the house and began preparing for parenthood “The Valentino Submergence “. They have become mothers to a little girl, Halley, as of the episode, “The Birthday Synchronicity “. They are expecting another baby as of the Season 11 premiere “The Proposal Proposal “. The newborn was revealed to be a boy as of “The Explosion Implosion “.