Sheldon and Dr. Sturgis have their first fight when Dr. Sturgis marks a question wrong on Sheldon's test. Also, Mary takes over for Pastor Jeff when he's out sick.
Quest roles:
Matt Hobby(Jeff Difford), Danielle Pinnock(Evelyn Ingram), Sarah Baker(Sheryl Hutchins), Nancy Linehan Charles(Peg), Wallace Shawn(John Sturgis), Barry Corbin(Mr. Gilford), Megan Park(Francine), Bryce McBratnie(Elliot), John Eddins(Paramedic), Parker Dailey(Five-Year-Old Sheldon)