Team Scorpion must work with Toby’s nemesis, Quincy Berkstead, and his wife, Amy, Toby’s ex-fiancée, when they are locked inside an artificially intelligent doomsday bunker that aims to kill them….

Jerry pulls in some lady in this one broh. Beth revisits her childhood.

Leonard inadvertently steals away the new woman Wolowitz thinks is the love of his life.