Star Trek: The Next Generation - Season 2 Episode 15 -

On arriving at a newly identified planetary group, the crew finds that the entire system is unstable. As the person in charge of Wesley Crusher's training and education, Commander Riker wants to put him in charge of the planetary mineral survey, the results of which should explain why the system has become so unstable. He has to command a team for the first time, all of whom are older than himself. Data meanwhile has a pen pal of sorts when he establishes radio contact with Sarjenka, a young girl from a nearby planet. They exchange information for several weeks when ...