Overview
Invisible "time-accelerated" aliens take over the Enterprise and attempt to abduct the crew for use as "genetic stock".
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3 - 1Spock's Brain September 20, 1968 -
3 - 2The Enterprise Incident September 27, 1968 -
3 - 3The Paradise Syndrome October 04, 1968 -
3 - 4And the Children Shall Lead October 11, 1968 -
3 - 5Is There in Truth No Beauty? October 18, 1968 -
3 - 6Spectre of the Gun October 25, 1968 -
3 - 7Day of the Dove November 01, 1968 -
3 - 8For the World Is Hollow and I Have Touched the Sky November 08, 1968 -
3 - 9The Tholian Web November 15, 1968 -
3 - 10Plato's Stepchildren November 22, 1968 -
3 - 11Wink of an Eye November 29, 1968 -
3 - 12The Empath December 06, 1968 -
3 - 13Elaan of Troyius December 20, 1968 -
3 - 14Whom Gods Destroy January 03, 1969 -
3 - 15Let That Be Your Last Battlefield January 10, 1969 -
3 - 16The Mark of Gideon January 17, 1969 -
3 - 17That Which Survives January 24, 1969 -
3 - 18The Lights of Zetar January 31, 1969 -
3 - 19Requiem for Methuselah February 14, 1969 -
3 - 20The Way to Eden February 21, 1969 -
3 - 21The Cloud Minders February 28, 1969 -
3 - 22The Savage Curtain March 07, 1969 -
3 - 23All Our Yesterdays March 14, 1969 -
3 - 24Turnabout Intruder June 03, 1969