Sheldon meets his new physics professor, Dr. Ernst (guest star), who dismisses Sheldon’s theories as "American arrogance." Sheldon must earn his place by learning Gemütlichkeit (German concept of belonging).
Georgie struggles with fatherhood while Mandy wants to move out of the Cooper house. They argue about money. Baby CeeCee gets her first word ("Dada") – a sweet moment.
Meemaw meets her lawyer (a returning character from S6). The prosecutor offers a deal: probation if she snitches on her former partner. She refuses.