Andy tries to motivate the staff by taking them on a field trip to Gettysburg; Robert asks those who stay behind to come up with the company's next big idea.
When Hotchner takes a leave of absence from the BAU, the team must regroup to solve a home invasion.
The team hunts a suspect who impregnates young women, has them give birth and murders them.
Hal and the boys slash the prices of their Christmas trees to outsell a nearby church; when business booms, the guys are threatened by two priests from the competing lot.