Aiden and Emily discover long-buried family secrets; Victoria pays Mason Treadwell (Roger Bart) a surprise visit as she gets closer to exposing Emily.
When a young boy who went missing in San Diego on Halloween suddenly reappears one year later, the BAU must work fast when another trick-or-treater disappears under similar circumstances.
The team is called in after the remains of a psychology professor are discovered.
The gang accidentally infest a boys’ club with termites, and need to raise $13,000 in order to pay to have the club fixed.