The Conjugal Conjecture
'The Conjugal Conjecture' - Season 10, Episode 1
On the day of Leonard and Penny's second wedding ceremony, there's an awkward morning after for Sheldon and Leonard as they fret about how Mary and Alfred returned to their hotel together. Meanwhile, Penny's family comes to town for the wedding, but it's a stressful time for Penny's mother, Susan, who is worried about how her family will be perceived because of her son Randall's criminal history.
Air Date: September 19, 2016.