The Big Bang Theory

Mrs. Rostenkowski

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Mrs. Rostenkowski
Series Information
First episode
The Creepy Candy Coating Corollary (mentioned)
The Fish Guts Displacement
S1 S2 S3 S4 S5 S6 S7 S8
Portrayed by

Mrs. Rostenkowski is the mother of Bernadette Rostenkowski, Joey Rostenkowski and four other children, wife of Mike Rostenkowski and the mother-in-law of Howard Wolowitz, who is said to be just as motherly over Bernadette as Howard's mother is over him.


She smoked when she was pregnant, resulting in Bernadette's height of only 4'11". {Thanks, Mom!}

When Bernadette and Howard were discussing their mothers, Bernadette mentions a few things of her mother that drives her crazy:

  • Calling her at work or school to find out if she's had a healthy lunch.
  • She lays out Bernadette's clothes for her, while not even living with her in the same house.
  • Bernadette couldn't ride a bike when she was younger because Mrs. Rostenkowski was afraid she would "hit a bump and lose her virginity".

She ran an illegal daycare center in her basement which Bernadette helped with. Using what she learned, Bernadette ordered a very tired Sheldon to bed.

She had Bernadette take care of her younger siblings which made Bernadette reluctant to have her own children.



  • Meagen Fay played Kaley Cuoco's mother in the movie Kaley produced "Authors Anonomymous" besides playing Bernadette Rostenkowski's mother.
  • She and Bernadette both know how to make waffles, but in different ways, as mentioned in "The Shiny Trinket Maneuver" (S5E12) that while Bernadette was taking care of her younger siblings, they'd complain "This isn't the way Mom makes waffles." showing they'd prefer their mother's waffles rather than their sister's.
  • In "The Septum Deviation" (S8E9), it's revealed that she and her husband barely speak to each other.
  • She still hasn't met the other members of the gang (Sheldon, Penny, Raj, Amy and Leonard) after her first and only (for-now) appearance in "The Fish Guts Displacement" (S6E10).

Bernadette's parents having dinner with Howard and Bernadette.


She finally appeared in "The Fish Guts Displacement" (S6E10). She was a bit scatterbrained, but knew how to get her husband to do things like taking Howard on his fishing trip.

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