A group of serial terrorists seek revenge and send Ari on an assignment to kill Gibbs. The NCIS team goes on a hunt after him, but when they discover that Ari has a second plan, it is already too late... the NCIS team will have to face the death of one of their team members.

Rachel and Ross arrive at the hospital; she's upset to get a semi-private room. Monica and Chandler decide to have a baby and right away. Mrs. Geller turns up to give Ross her mother's engagement ring; she wants Ross to marry Rachel. Joey can't understand why somebody wouldn't want to be married to Rachel. Phoebe meets a handsome stranger, but can't quite get his room number, so she gets Dr. Drake Ramoray to get it. She also gets him to find out some personal info from the guy. As Rachel waits for her own baby, various other pregnant women come ...

When Charlie meets the fiancée of Angie's grown-up son, he realizes it's not for the first time. Alan tries to get Jake to study for his algebra final.

After his first day, Will becomes suspicious of his new job -- especially when he finds himself in an empty office with no co-workers, a German shepherd and a Russian-speaking thug.

Sam, Dean, and Ruby look for Anna who hears the voices of angels. When Ruby seemingly betrays the brothers and leaves with Anna, Sam enlightens Dean on how Ruby saved Sam's life while Dean was in Hell.

During a Beastie Boys concert, Bender runs into a high school buddy, Fender. Fender invites him to a party, which turns out to be robots getting high off of electricity, or "jacking on". After one try, Bender is hooked. On a trip back from Sicily 8, the crew runs into an electrical disturbance. Bender sabotages the ship and it flies right into the field, allowing Bender to get stoned and Fry and Leela nearly get killed. Realizing what he has become, he decides to join Robotolgy, a robot religion. It soon becomes apparent the crew prefers the old Bender. To ...