Guest Star :: Valerie Mahaffey

 Valerie Mahaffey has guest starred in 8 episodes of Young Sheldon.

  1. Pilot

    101. Pilot as Ms. MacElroy

    Aired September 25, 2017

    Sheldon embarrasses his home-room teacher by pointing out her mustache.
  2. Rockets, Communists, and the Dewey Decimal System

    102. Rockets, Communists, and the Dewey Decimal System as Ms. MacElroy

    Aired November 2, 2017

    When Sheldon goes to Ms. MacElroy after he notices she had checked out the Dale Carnegie book from the school library, she bitterly explains she only borrowed the book to try get a promotion at the school.
  3. A Therapist, a Comic Book, and a Breakfast Sausage

    104. A Therapist, a Comic Book, and a Breakfast Sausage as Ms. MacElroy

    Aired November 16, 2017

    When Ms. MacElroy asks Sheldon about the medical emergency that made him late for class, he explains he choked on a sausage, prompting laughter from the class.
  4. An Eagle Feather, a String Bean, and an Eskimo

    110. An Eagle Feather, a String Bean, and an Eskimo as Ms. MacElroy

    Aired January 4, 2018

    After Sheldon interrupts Ms. MacElroy's class to ask if she read the course material, she is pleased to hear he's going away to a school in Dallas.
  5. A Sneeze, Detention, and Sissy Spacek

    113. A Sneeze, Detention, and Sissy Spacek as Ms. MacElroy

    Aired February 1, 2018

    When Ms. MacElroy sneezes twice while teaching her students about similes and metaphors, Sheldon decides the punishment for skipping class is worth it if he can avoid catching the flu.
  6. A High-Pitched Buzz and Training Wheels

    201. A High-Pitched Buzz and Training Wheels as Ms. MacElroy

    Aired September 24, 2018

    Sheldon is late for Ms. MacElroy's class after his training wheels broke during his paper route.
  7. A Tummy Ache and a Whale of a Metaphor

    212. A Tummy Ache and a Whale of a Metaphor as Ms. MacElroy

    Aired January 10, 2019

    Sheldon has to leave Ms. MacElroy's class on Moby Dick when he gets a tummy ache.
  8. : A Political Campaign and a Candy Land Cheater

    219. A Political Campaign and a Candy Land Cheater as Ms. MacElroy

    Aired April 25, 2019

    When he decides to run for student office, Sheldon turns to Ms. MacElroy who is in charge of the elections.
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