Stardate: 41590.5. Q places the senior crew of the Enterprise in a war game that pits them against a boar-faced, Napoleonic enemy.

Stardate: 41242.4. While exploring his homeworld, the crew of the Enterprise find android parts that are identical to Data's. When assembled, an 'evil' twin of Data named Lore is revived.

Stardate: 41503.7. Two Klingons, rescued by the Enterprise, try to take over the ship.

Stardate: 41798.2. The crew encounters bizarre phenomena while searching for the missing U.S.S. Drake.

Stardate: 41986.0. A derelict satellite is found with cryonically frozen humans aboard as the USS Enterprise is sent to investigate the destruction of outposts near Romulan space.

Stardate: 42976.1. Riker is infected with an alien organism that takes over his mind. Dr. Pulaski must force Riker's mind back to a state where it can access primitive survival skills.

Stardate: 45571.2. While en route to the source of a subspace distress signal coming from a desolate moon, Data, Troi and O'Brien take over the bridge and force the ship to change course.