Annie LaRussa

Frasier decides to retaliate against Bulldog's childish pranks with a trick of his own, which winds up putting the new station manager in the hospital.

The BAU is called to investigate a series of murders of prostitutes in the nation's capital and suspects a teenager is guilty of the crimes.

As the doctors move forward with their lawsuit, they must face the realities of their injuries; Bailey tricks Arizona into assisting with a pediatric case; Cristina seeks normalcy in her new environment.

With Lyle and Erik's juries both struggling to reach a unanimous decision, the possibility of a mistrial leaves Leslie (Edie Falco) hopeful for the opportunity to work out a deal with the District Attorney's office. Meanwhile, District Attorney Gil Garcetti (Mark Moses) takes action to counteract the declining public perception of the justice system. Judge Weisberg's (Anthony Edwards) performance in the trial comes under intense media scrutiny given his record of hung juries and controversial verdicts. With the trial having garnered national attention, Lyle (Miles Gaston Villanueva) uses Norma as a switchboard to connect him with female supporters.

After 10 years at Chicago's County General Hospital, Attending Physician Dr. John Carter (series star Noah Wyle) has risen to a role of respect and moral leadership in the emergency room. His recently graduated colleague Abby Lockhart (series star Maura Tierney) proudly dons a doctor's white lab coat for the first time. Newly promoted to chief of staff, Dr. Kerry Weaver (series star Laura Innes) remains as tough as ever, but chinks have appeared in her armor, especially after the loss of her life partner and the resulting bitter custody battle over their son. Attending Physician Dr. Luka Kovac (series star Goran Visnjic) carries on a complicated romance with streetwise, seasoned nurse Samantha Taggart (series star Linda Cardellini), whose 10-year-old son, Alex (recurring guest star Oliver Davis), looks up to Kovac as a role model, friend and, sometimes, substitute father.