Babylon 5: The River of Souls

The River of Souls is the third featurelength film set in the Babylonuniverse. It was originally broadcast November 17, 1998 on TNT, as one of two films shown over the 19981999 season to fill in the gap between the fifth season of Babylonand the first season of the spinoff series Crusade.

After a short absence from Babylon 5, Michael Garibaldi returns to the station to meet with a person in his employ. An archaeologist in search of a means of immortality brings his most recent find to Babylon an orb containing one billion souls of an extinct race. Within days a Soul Hunter played by Martin Sheen arrives claiming the orb was stolen from his people. With the assistance of the archaeologist the souls break free from their captivity in the orb and bring havoc to the station.

Source: Wikipedia