Andromeda - Season 4 Episode 20 -

The Andromeda rescues a defenseless ship from former Commonwealth fighters. The inhabitants are an Ambassador and his pilot, returning to Arkology from successful peace negotiations with the Magog on board the World-Ship. However, the treaty is revoked when the ambassador dies from the Magog hatching in his stomach. The pilot, a Nietzschean from a supposedly extinct pride, leads the Andromeda to Arkology, a place of peacefulness in all aspects of life, to warn them of the coming Magog attack.