Wyatt McClure

Sheldon makes a terrifying mathematical discovery while tutoring Billy; Mary is jealous of Missy's relationship with Mandy and MeeMaw.

To appease his mother, Sheldon tries to make his first friend by following techniques in a self-help book.

George Sr. is rushed to the emergency room. Meemaw comes to baby-sit. The kids have an adventure getting to the hospital on their own.

Sheldon dismantles the fridge to stop it making an annoying humming noise but must pay for the damage he has done.

Mary and Sheldon's drama teacher Mr Lundy clash over plans for a Halloween haunted house fundraiser for the church.

Sheldon gets into trouble with fellow child genius Paige at the Science Museum. Meemaw has a jumble sale in her garage.