| Show |
Stardate |
Episode Title |
 |
6063.4 |
How Sharper Than a Serpent's Tooth |
| |
While tracking a probe, the Enterprise encounters an alien vessel that is surrounded by an energy field which proceeds to encompass the ship. (released October 5, 1974) |
|
6334.1 |
The Pirates of Orion |
| |
A dreaded disease, choriocytosis, strikes the Enterprise. Everyone except Spock is cured because the illness is fatal only to Vulcans. (released September 7, 1974) |
|
6770.3 |
The Counter-Clock Incident |
| |
A hyper-accelerated alien ship drags the Enterprise into a nova and both ships arrive in an antimatter universe where time flows backwards. (released October 12, 1974) |
