Ben tries to trace a lost day in which he may have killed a man.
Solo and Illya become pawns in a brilliant scientist's ingenious plot to destroy U.N.C.L.E. headquarters.
When Spock is stricken by a disease fatal to Vulcans, the Enterprise is to meet a freighter with a load of drugs that provides the only cure.
In the throes of his Pon Farr mating period, Spock must return to Vulcan to meet his intended future wife, betrothed from childhood.
Spock undergoes the Vulcan mating ceremony.
Aliens on a mission of conquest hold the crew captive.
Daniels and Archer must find a way back to the 22nd Century in order to make sure history plays out as it should.
After discovering a 1936 Ford truck floating in space, Voyager follows an AM-band SOS call to a nearby planet.
While preparing to transport a deadly plague to a research lab, the crew is stunned by the announcement of Counselor Troi's pregnancy.
While searching for a lost ship, Kirk, Spock and McCoy are captured and placed in a zoo by advanced, telepathic aliens.
The crew of the Enterprise finds android parts that are identical to Data's while they are exploring his homeworld.