The BAU investigate when a time capsule in a small town is opened 25 years later, containing a gruesome discovery.
Dylan and Valerie head to Mexico to find Dylan's money; Kelly and Brandon clash over her involvement with Professor Finley.
A lady driver wins a spot in the Annual Hazzard Obstacle Derby, and Luke flirts with her and disaster as they tackle the course.
Mary and Rhoda decide to become more involved socially when they both panic about being 30 and single.
Serena gives Larry Tate, old 'cotton top', a youth pill that makes him younger and younger.