The Enterprise sets out to help the colonized planet Penthara IV, where an asteroid impacts with an apocalyptic effect, first scorching then lasting clouding comparable to nuclear winter. On the route to it, an unknown vessel appears after a temporal distortion and beams aboard history professor Berlingoff Rasmussen from earth three centuries later (the 26th), who is obsessed by Picard, who accepts the whole crew to be questioned, despite the possibilities of fraud or altering reality. Once at Penthara 4, Geordie down there and Data aboard devise a method to create a greenhouse-effect, at the risk of making it far worse, so Picard wrestles with using Rasmussen's hindsight, but his own history proves significantly problematic...
Did You Know?
At the very beginning, Geordi says that they are already seeing "climactic" changes. Climactic changes are changes relating to a climax or tension point. What he means is that the planet is experiencing "climatic" changes, which are changes related to climate. See more
Captain Jean-Luc Picard
Of course, you know of the Prime Directive - which tells us that we have no right to interfere in the natural evolution of alien worlds. Now, I have sworn to uphold it. But, nevertheless, I have disregarded that directive - on more than one occasion - because I thought it was the right thing to do! Now, if you are holding on to some... temporal equivalent of that directive, then isn't it possible that... you have an occasion here to make an exception, to... to help me to choose, because it's ...
References Star Trek: Space Seed
Star Trek: The Next Generation End Credits
Composed by Jerry Goldsmith
and Alexander Courage See more