Now that's one good-looking wedding portrait!
In the Season 10 premiere of The Big Bang Theory, everyone deals with an awkward morning after Sheldon's mother (Laurie Metcalf) and Leonard's father (Judd Hirsch) share an evening together. Plus, Penny's family arrives for the wedding ceremony, including her anxiety-ridden mother, Susan (Katey Sagal), and her drug-dealing brother, Randall (Jack McBrayer).
Meanwhile, Colonel Williams (Dean Norris), an Air Force Representative from the Department of Materiel Command, takes an interest in Howard's quantum gyroscope.
Watch the Season 10 premiere of The Big Bang Theory on Monday, Sept. 19 at 8/7c on CBS and CBS All Access.