Babylon 5: Thirdspace

Set during the epic five-year story arc of Babylon 5, this effects-packed feature-length telefilm stars all the original series regulars plus Shari Belafonte. In the time between the Shadow War and the conflict with Earth, the space station's crew risks everything to salvage a mysterious, ominous portal, which may allow them to travel to another dimension ... or release whatever is on the other side.