

Stardate: 43872.2. The crew are shattered by the apparent death of Data in a shuttle explosion, and are prevented from carrying out a detailed investigation when Starfleet gives them orders for a new mission elsewhere. However, the crew don't realize that he was actually abducted and placed on display as part of a collection of rare and valuable items held by a disreputable character.
Stardate: 43125.8. A system-wide computer malfunction places the crew of the U.S.S. Enterprise in grave danger while they are escorting a scientist to a star in the process of exploding.