Suspicious that people are making fun of her, Amy and Jonah spy on Cloud 9 employees through the security system; Dina tries to track down an unsanctioned Easter Bunny in the store; Glenn preps for his church's play.
Sheldon makes a terrifying mathematical discovery while tutoring Billy. Mary is jealous of Missy’s relationship with Mandy and MeeMaw.
To appease his worried mother, Sheldon employs the techniques of a self-help book to try and make a friend.
When George Sr. is rushed to the emergency room, Meemaw comes to babysit; the kids have an adventure getting to the hospital on their own.
On the season premiere, Sheldon dismantles the refrigerator to stop an annoying hum, and then must get a paper route to pay for the repairs.