
Dad, this is Sheldon's mother, Mary.
The Big Bang Theory Season 10, Episode 1

Mary and Beverly can't be together.
The Big Bang Theory Season 10, Episode 1

was discovered by a woman,
Mary Bernheim.
The Big Bang Theory Season 7, Episode 5

- You remember my mother.
- Oh, yes. Hi, Mary.
The Big Bang Theory Season 8, Episode 23

Don't he, Mary Poppins?
The Big Bang Theory Season 12, Episode 6