But what if they were to slingshot around the sun and travel back in time far enough to a point where he could still leap? That seems totally plausible to me and it could open the door to a few mentionings of nuclear wessels.
And as for the original series, that had to have been the origin of the whole idea where the evil twin (ok, not really an evil twin in this case) always has a goatie, right? That has to be the greatest gift of all from the Star Trek universe.