Stardate: Unknown - The crew discover an ancient communications relay that extents to the Alpha Quadrant. They are able to send the Doctor through to a Federation ship at the other end, the experimental U.S.S. Prometheus, only to discover that it has been taken over by Romulans.
Elenco: Kate Mulgrew , Robert Beltran , Roxann Dawson , Robert Duncan McNeill , Ethan Phillips , Robert Picardo , Tim Russ , Garrett Wang , Majel Barrett , Jeri Ryan .