DS9: Children of Time The Defiant crew members are surprised when they discover a planet which is inhabited by their own descendants from a changed past. These "Children of Time" know that when the crew tries to leave the planet the Defiant will cross a temporal barrier. The ship will be thrown back in time and crash land on the planet, leaving no possibility to escape. The question arises whether it is right to allow the time travel in order to preserve the people on the planet, or to take countermeasures to get home. Sisko eventually decides to let things happen and orders a course towards the temporal field. However, the older version of Odo, who has spent the whole time on the planet mourning for Kira who died without medical treatment after having suffered a plasma shock, prevents the time travel. History is corrected, and the small colony on the planet ceases to exist. Still, the crew remembers them