Jeff Marlow

Alex accidentally provokes the Emergency Department's mean girls. Ron and Serena battle over parking etiquette. Bruce has a hard time letting go of the spotlight.

It's the holiday season at St. Denis. Alex and Ron care for a patient whose diagnosis is not what it seems. Joyce enlists Serena's help to boost St. Denis' online presence. Bruce and Matt help a Santa in need.

Joyce launches a women's health initiative to unexpected results. Ron treats a patient who has all the answers. Bruce has an existential crisis.

The Nine-Nine gets another personnel change that could put Jake and Amy’s budding relationship at risk. Meanwhile, Terry assists Holt with an important public relations matter, and Rosa and Gina try to convince Charles to rethink his affection for a fellow officer (guest star Archie Panjabi).

A storm causes chaos in the Emergency Department. Alex is torn between an obligation to her husband and her co-workers' needs.

The BAU is called to Taos, N.M. to investigate an UnSub who is targeting his victims' temporal lobes.