Sheldon invites the entire school to a party for the Nobel Prize announcements. Also, Meemaw learns more about Dr. Sturgis' past, and Georgie's desire for cable TV leads to a standoff between him and George Sr.
Sheldon starts an internet flame war, and Missy stands up to the boys on her baseball team. Also, Meemaw is unhappy when George Sr. spends time with her new boyfriend.
Sheldon visits the California Institute of Technology for the very first time; Georgie is furious when Mary listens in on a phone call with his girlfriend; Meemaw tries to cheer up a jealous Missy.
Sheldon gets an odd request from an old friend, Paige. Also, George Sr. and Mary are caught in the middle of Meemaw and Dale's breakup, and Georgie comes clean to Mandy.