The Animated Series Episodes
First aired 1973-1974
Episode Original Air Date Mission Stardate
Beyond the Farthest Star September 8, 1973 5521.3
Yesteryear September 15, 1973 5373.4
One of Our Planets is Missing September 22, 1973 5371.3
The Lorelei Signal September 29, 1973 5483.7
More Tribbles, More Troubles October 6, 1973 5329.4
The Survivor October 13, 1973 5143.3
The Infinite Vulcan October 20, 1973 5554.4
The Magicks of Megas-Tu October 27, 1973 1254.4
Once Upon A Planet November 3, 1973 5591.2
Mudd's Passion November 10, 1973 4978.5
The Terratin Incident November 17, 1973 5577.3
The Time Trap November 24, 1973 5267.2
The Ambergris Element December 1, 1973 5499.9
Slaver Weapon December 15, 1973 4187.3
The Eye of the Beholder January 5, 1974 5501.2
The Jihad January 12, 1974 5683.1
The Pirates of Orion September 7, 1974 6334.1
Bem September 14, 1974 7403.6
The Practical Joker September 21, 1974 3183.3
Albatross September 28, 1974 5275.6
How Sharper Than A Serpent's Tooth October 5, 1974 6063.4
The Counter-Clock Incident October 12, 1974 6770.3
Star Trek Episodes
Data from startrek.com.