You should watch:

The Survivors

This was episode number 3 of season 3.

The following characters appeared in this episode:

Captain Jean-Luc Picard
Counselor Deanna Troi
Commander Wiliam T Riker
Doctor Beverly Crusher
Kevin Uxbridge
Lieutenant Worf
Lt Commander Data
Lt Commander Geordi La Forge
Rishon Uxbridge
Wesley Crusher