[s10e1] The Conjugal Conjecture Apr 2026

: The episode marks the first appearance of Penny's mother, Susan (played by Katey Sagal), and her brother, Randall (Jack McBrayer). Susan is highly anxious that their family will be seen as "white trash" due to Randall's history of manufacturing and selling meth.

: A subplot begins involving Howard being tracked down by Colonel Williams (Dean Norris) from the Air Force, who is interested in the quantum gyroscope he, Leonard, and Sheldon invented. [S10E1] The Conjugal Conjecture

: Sagal’s role as Penny’s mother was a nod to her previous role as Kaley Cuoco’s mother on the sitcom 8 Simple Rules . : The episode marks the first appearance of

The episode was a massive ratings hit, viewed by over during its original broadcast. : Sagal’s role as Penny’s mother was a

: Bernadette officiates a small outdoor ceremony while Amy plays the harp. In a rare emotional moment, Sheldon stands up to give a tribute to his two best friends, Leonard and Penny. Reception and Cast Notes

: Much of the episode deals with the awkward aftermath of Leonard’s father, Alfred, and Sheldon’s mother, Mary, leaving dinner together the night before. Sheldon is particularly distressed, going as far as to ask Alfred if he "defiled" his mother.