Cosie Costa

A war criminal whose experiments on sentient beings have lead to an immortality serum comes to Babylon 5.

Walker wakes up in a hotel room with a gun in his hand and a dead man on the floor. He cannot remember what happened nor who he is. A cocktail waitress from the hotel-casino helps him escape the people trying to kill him.

Tom forbids David to bring his date, an older woman and Dr. Maxwell's political opponent, to an anniversary party.

Three of Starr's exo-troopers head for the Prometheus project.