Guest Star :: Ivan Mallon

 Ivan Mallon has guest starred in 1 episode of Young Sheldon.

  1. David, Goliath and a Yoo-hoo from the Back

    214. David, Goliath and a Yoo-hoo from the Back as Tim

    Aired January 31, 2019

    After Sheldon sees Georgie being pushed around, he strikes up a friendship with the bully and uses his new connection to boss his brother about. Meanwhile, Missy learns more about her mother's past when she steals Meemaw's makeup for picture day.
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