Stardate: 1254.4 At the center of the galaxy, the Enterprise discovers a race of powerful aliens.
Stardate: 4978.5 Space con artist Harry Mudd returns, selling a fake love potion.
Kirk returns to the "shore leave" planet, but it's not as peaceful as it was when they last saw it.
Stardate: 5483.7 Female crew members must take over the Enterprise when the men are incapacitated by a race of sirens.
The Enterprise finds a long-lost explorer.
The crew of the Enterprise races to find a way to stop a cloud from destroying inhabited planets.
Spock travels back in time to prevent his death as a young Vulcan.
In orbit around a dead star, the Enterprise comes across a huge starship inhabited by a parasitic life form that threatens the entire ship.