Here is a brief synopsis of BABYLON 5:
Thirdspace: Returning to Babylon 5 after a mission, Commander
Susan Ivanova (CLAUDIA CHRISTIAN) picks up an irregular scanner
reading from somewhere in hyperspace. The mysterious object
seems to be enormous and Ivanova and her starfury squadron
move deep into hyperspace, where they find an ancient alien
relic, part platform and part strange geometric design.
Sheridan (BRUCE BOXLEITNER)quickly orders the investigation
of the bizarre wreckage. As soon as the artifact arrives on
Babylon 5, Interplanetary Expeditions sends Dr. Elizabeth
Trent (SHARI BELAFONTE), a xenoarchaeologist, to supervise
the find. Headstrong and intense, Dr. Trent is immediately
at odds with Captain Sheridan.
the investigation of the artifact continues, people throughout
Babylon 5, including Dr. Trent, have frightening dreams of
surreal towering structures and massive ships. The dreams
intensify and soon become a kind of mental compulsion. Dr.
Trent suddenly becomes intensely determined to make the artifact
Franklin (RICHARD BIGGS) and Zack Allen (JEFF CONAWAY) begin
dealing with out-breaks of violence on the station as humans
and aliens continue to have disturbing dreams.
(MIRA FURLAN), and Sheridan try to retrace the artifact's
origin. Lyta (PATRICIA TALLMAN) begins to suspect a telepathic
component within artifact, a signal that is drawing people
toward it and forcing them to repair it. Finally, it's discovered
that the device is a gateway to another kind of space, a third
space. Residing in this dimension are ancient living things
looking to occupy other places.
its powerful telepathic control, Dr. Trent activates the artifact,
which begins to launch alien ships that attack Babylon 5.
But, the invasion has only started: a massive, ten mile-long
alien ship is about to come through the artifact's gateway.
Faced with devastation, Sheridan must figure out how to destroy
the implacable device before it's too late.