David Trice

Leonard is aghast to find out a secret of Penny's: she believes in psychics. Meanwhile, Sheldon tries to assist Koothrappali in picking up a girl at a university mixer.

Amy and Sheldon's relationship takes a surprising turn during a game of 'Dungeons & Dragons'. Lucy and Koothrappali have an awkward date.

Leslie tries to convince Chris and Ben to give the parks department more money, and when she fails to persuade them, she enlists Ann’s help.

Randall adjusts to the foster system, Kate and Toby take the next step in their relationship, Kevin visits Sophie in New York, and Jack and Rebecca finalise Randall's adoption.

Lorelai and Rory plan a road trip to North Carolina to attend the wedding of Mia, the woman who took in Lorelai and Rory and served as a surrogate mother/grandmother for many years.

The BAU is called to search for a man who is targeting children when an eight-year-old is found murdered on the Appalachian Trail.