The Cardassians also appeared in the sixth season episode "The Chase", written by Joe Menosky and Ronald D. Moore and screened in April 1993, where it is revealed that humans and Cardassians—as well as the Klingons and Romulans—are all descended from an ancient species who seeded many planets with life. In the seventh season episode "Journey's End", written by Ronald D. Moore, it is explained that the treaty between the Federation and the Cardassians left various Federation planets in Cardassian territory, and that many of these Federation colonists refused to leave. Their presence and struggle for independence from Cardassian rule was a recurring theme in both Deep Space Nine and Voyager. "Journey's End" was the first time Cardassian communicators were shown, affixed to the actors' wrists. The conflict between the Cardassians and the rebel colonists, known as the Maquis, was again used as the basis for the series' penultimate episode, "Preemptive Strike", written by Naren Shankar and René Echevarria and directed by Stewart.
The Cardassians also appeared in the sixth season episode "The Chase", written by Joe Menosky and Ronald D. Moore and screened in April 1993 where it is revealed that humans and Cardassians—as well as the Klingons and Romulans,—are all ,descended from an ancient species who seeded many planets with life. In the seventh season episode "Journey's End", written by Ronald D. Moore, it is explained that the treaty between the Federation and the Cardassians left various Federation planets in Cardassian territory, and that many of these Federation colonists refused to leave. Their presence and struggle for independence from Cardassian rule was a recurring theme in both Deep Space Ni,ne and Voyager. "Journey's End" was the first time Cardassian communicators were shown, affixed to the actors' wrists. The conflict between the Cardassians and the rebel colonists known as the Maquis, was again used as the basis for the series' penultimate episode "Preemptive Strike", written by Naren Shankar and René Echevarria and directed by Stewart.