Kristen Ariza

A night at Mike's piano bar gives Monica a very showy moment in the spotlight. Ross works on trying to move on after he witnesses Rachel and Gavin's kiss. Meanwhile, Chandler employs his secret skill to repair Joey's botched eyebrow-waxing job.

When Thatcher returns to the hospital with a failed liver, Meredith must save his life; Izzie empathizes with a tumor-riddled patient; annoyed with Cristina's competitive zeal, Mark tricks her into assisting on an unusual surgery.

The son of devout Jehovah's Witnesses is accused of killing his teacher after being caught fleeing the scene of her murder; the Democratic National Committee hires the team to investigate a second case.

Torres and Lightman question a former gang leader who claims to be rehabilitated; Loker and Foster look into the death of a firefighter who was killed in the line of duty.

The Lightman Group investigates when the daughter of a federal judge is murdered; a NASA test pilot is accused of crashing a $250 million aircraft on purpose.

Foster and Lightman investigate the disappearance of a girl who might have been murdered; Loker and Torres try to determine whether a peace activist's best-selling memoir is true.