The Animated Series: Season 1 (1973-1974)
S01E01

Beyond The Farthest Star

Stardate: 5521.3 Year: 2269

Kirk and crew beam aboard a massive derelict starship from an insect race, and learn that the ship's crew self-destructed rather than carrying a still-living malevolent entity to other worlds.

Broadcast: 8 September 1973
Format: Episode Prod #: 101
Writer(s): Samuel A. Peeples
Director(s): Hal Sutherland
Story Order: 248

The Animated Series: Season 1 (1973-1974)
S01E02

Yesteryear

Stardate: 5373.4 Year: 2269

An expedition through the Guardian of Forever inadvertently prevents Spock from traveling back to his childhood to save his younger self. Spock discovers that history has recorded that he died at age 7 undergoing the Kahs-wan ordeal. Spock travels back to 2237 to save his own life. Spock is successful in restoring the proper timeline; however, this time, his pet sehlat dies during the ordeal.

Broadcast: 15 September 1973
Format: Episode Prod #: 102
Writer(s): D. C. Fontana
Director(s): Hal Sutherland
Story Order: 249

The Animated Series: Season 1 (1973-1974)
S01E03

One Of Our Planets Is Missing

Stardate: 5371.3 Year: 2269

An enormous space-going cloud entity feeds on the energy of whole planetary systems, and a Federation colony is next in its path. The Enterprise braves its antimatter interior and finds a way to stop it. Spock mind-melds with the entity and tells it that it is killing life, and he persuades it to return to its place of origin.

Broadcast: 22 September 1973
Format: Episode Prod #: 103

Story Order: 250

The Animated Series: Season 1 (1973-1974)
S01E04

The Lorelei Signal

Stardate: 5483.7 Year: 2269

Investigating a sector of space where starships have disappeared every 27 years, the U.S.S. Enterprise male crew are attracted by a mysterious signal. Kirk beams down with a landing party and encounters a race of beautiful women who survive by drawing the energy from the male members of the ships that they have lured to their planet.

Broadcast: 29 September 1973
Format: Episode Prod #: 104

Story Order: 251

The Animated Series: Season 1 (1973-1974)
S01E05

More Tribbles, More Troubles

Stardate: 5329.4 Year: 2269

The U.S.S. Enterprise again crosses paths with Cyrano Jones, who this time has tribbles that do not breed but instead grow to an enormous size. The tribbles are back and are causing problems for the Klingons.

Broadcast: 6 October 1973
Format: Episode Prod #: 105

Story Order: 252

The Animated Series: Season 1 (1973-1974)
S01E06

The Survivor

Stardate: 5143.3 Year: 2269

Patrolling near the Neutral Zone, the U.S.S. Enterprise finds a ship and rescues Carter Winston, a Federation citizen, financier, and philanthropist missing for 5 years. However, Winston turns out to really be a Vendorian, an alien species that can transform its shape at will. He is also allied with the Romulans.

Broadcast: 13 October 1973
Format: Episode Prod #: 106

Story Order: 253

The Animated Series: Season 1 (1973-1974)
S01E07

The Infinite Vulcan

Stardate: 5554.4 Year: 2269

On the recently-discovered planet Phylos, the U.S.S. Enterprise crew meets Dr. Keniclius, a human scientist who survived Earth's Eugenics Wars and now grown to giant proportions. The Phylosians are a once vast plant-based civilization that has been reduced to a few survivors. Led by Keniclius, the Phylosians abduct Spock so the doctor can make him into a giant clone with the intention of forcing peace on the galaxy.

Broadcast: 20 October 1973
Format: Episode Prod #: 107

Story Order: 254

The Animated Series: Season 1 (1973-1974)
S01E08

The Magicks Of Megas-Tu

Stardate: 1254.4 Year: 2269

The Enterprise travels to the center of the galaxy only to discover themselves sucked into a dimension where the laws of time and space no longer apply, and "magic" functions for those capable of grasping its fundamentals. Stopping at Megas-Tu, a planet where magic and witchcraft are the norm, the crew finds their guide is Lucien, who is Lucifer of Earth mythology.

Broadcast: 27 October 1973
Format: Episode Prod #: 108

Story Order: 255

The Animated Series: Season 1 (1973-1974)
S01E09

Once Upon A Planet

Stardate: 5591.2 Year: 2269

The Enterprise travels to the shore leave planet for some well-deserved rest and relaxation. The planet can create organic androids based on the crew's imagination, but they soon discover that the planet has a hostile mind of its own. The "amusement park" planet's keeper is now dead and the untended machinery is constructing dangerous images from the crew members' thoughts.

Broadcast: 3 November 1973
Format: Episode Prod #: 109

Story Order: 256

The Animated Series: Season 1 (1973-1974)
S01E10

Mudd's Passion

Stardate: 4978.5 Year: 2269

Harry Fenton Mudd is once again apprehended and incarcerated by the U.S.S. Enterprise crew, after trying to sell love crystals. He claims the love potion can cause any male and female to fall in love.

Broadcast: 10 November 1973
Format: Episode Prod #: 110

Story Order: 257

The Animated Series: Season 1 (1973-1974)
S01E11

The Terratin Incident

Stardate: 5577.3 Year: 2269

While exploring a burnt-out supernova, the U.S.S. Enterprise responds to an old-style distress signal containing the word "Terratin," and follow it to its source: an uninhabited planet about to shatter from internal stress. However, a mysterious beam strikes the ship and the crew begins to shrink... and shrink.

Broadcast: 17 November 1973
Format: Episode Prod #: 111

Story Order: 258

The Animated Series: Season 1 (1973-1974)
S01E12

The Time Trap

Stardate: 5267.2 Year: 2269

The U.S.S.Enterprise is sent on a mission to explore a "Bermuda Triangle of Space," only to find itself and a Klingon battlecruiser trapped in a time warp after being caught in an ion storm. The two ships must cooperate before their only exit back to real space closes for good. This Delta Triangle is inhabited by other lost ships, many centuries old.

Broadcast: 24 November 1973
Format: Episode Prod #: 112

Story Order: 259

The Animated Series: Season 1 (1973-1974)
S01E13

The Ambergris Element

Stardate: 5499.9 Year: 2269

While exploring the aquatic planet Argo, Kirk and Spock are lost at sea. They are later found... but have been transformed into water breathers. Now they must track down the planet's mysterious undersea inhabitants and find a cure, or be left to live as freaks in the Federation. The venom of a deadly sea snake is the only antidote to return them to their normal selves.

Broadcast: 1 December 1973
Format: Episode Prod #: 113

Story Order: 260

The Animated Series: Season 1 (1973-1974)
S01E14

The Slaver Weapon

Stardate: 4187.3 Year: 2269

Spock, Sulu, and Uhura are delivering a stasis box from the extinct Slaver race on the shuttlecraft Copernicus. When they detect another box and follow its signal, they soon discover that a Kzinti privateer has set a trap. Capturing the Enterprise crew, they discover their box holds a rare find, a shape-shifting Slaver weapon. Now Spock and the others must keep the Kzinti from returning to their government with the weapon.

Broadcast: 15 December 1973
Format: Episode Prod #: 114

Story Order: 261

The Animated Series: Season 1 (1973-1974)
S01E15

The Eye Of The Beholder

Stardate: 5501.2 Year: 2269

Beaming down to a planet to search for the crew of the missing ship Ariel, the U.S.S. Enterprise crew is captured by a race of super-intelligent slug creatures and become part of a zoo collection. They find the missing crew also trapped as prisoners in the alien zoo. Now they must somehow establish communications with their evolved slug-like captors who think of them as primitive animals.

Broadcast: 5 January 1974
Format: Episode Prod #: 115

Story Order: 262

The Animated Series: Season 1 (1973-1974)
S01E16

The Jihad

Stardate: 5683.1 Year: 2269

Kirk and Spock are chosen by a mysterious race to join an expedition of alien specialists to a "mad planet" and recover a missing artifact, the Soul of Alar, before the avian Skorr go on a galactic jihad.

Broadcast: 12 January 1974
Format: Episode Prod #: 116

Story Order: 263

The Animated Series: Season 2 (1974)
S02E01

The Pirates Of Orion

Stardate: 6334.1 Year: 2270

Spock is stricken ill with a disease that is fatal to Vulcans. With time running out, the U.S.S.Enterprise must rendezvous with the S.S. Huron, a freighter carrying the only known antidote. However, Orion pirates hijack the shipment and Kirk must deal with them before Spock dies.

Broadcast: 7 September 1974
Format: Episode Prod #: 201

Story Order: 264

The Animated Series: Season 2 (1974)
S02E02

Bem

Stardate: 7403.1 Year: 2270

The U.S.S. Enterprise hosts Commander Ari bn Bem, an arrogant member of a neutral race from the newly-contacted planet Pandro. However, Bem endangers all of their lives when he conducts a test of suitability upon Kirk and Spock during an exploratory mission. This occurs on a planet of primitive natives under the guardianship of a noncorporeal being.

Broadcast: 14 September 1974
Format: Episode Prod #: 202

Story Order: 265

The Animated Series: Season 2 (1974)
S02E03

The Practical Joker

Stardate: 3183.3 Year: 2270

After avoiding a Romulan ambush by three of their warships, the U.S.S. Enterprise enters a strange energy cloud. The gaseous cloud affects the ship's computer turning it insane. With the crew at the mercy of the Enterprise's computer, it indulges in a series of increasingly aggressive practical jokes.

Broadcast: 21 September 1974
Format: Episode Prod #: 203
Writer(s): Chuck Menville / Len Janson
Director(s): Bill Reed
Story Order: 266

The Animated Series: Season 2 (1974)
S02E04

Albatross

Stardate: 5275.6 Year: 2270

The U.S.S. Enterprise goes to the planet Dramia to deliver medical supplies, only to have McCoy arrested and put on trial for deliberately spreading a plague that killed most of the population of the colony Dramia II. Nineteen years earlier, Dr. McCoy headed a mass-inoculation program there against Saurian virus. This disaster occurred after his team left the planet. Now Kirk must clear his friend's name before the doctor is executed.

Broadcast: 28 September 1974
Format: Episode Prod #: 204

Story Order: 267

The Animated Series: Season 2 (1974)
S02E05

How Sharper Than A Serpent's Tooth?

Stardate: 6063.4 Year: 2270

Backtracking a mysterious alien probe, the U.S.S. Enterprise encounters a ship in the shape of a giant feathered serpent, which turns out to be Kukulkan, a god of ancient Mayan-Aztec legend. Its captain, Kukulkan, is actually a very long-lived benevolent entity who wants the humans to worship him just as the Mayans and Aztecs did. He insists on putting Kirk and others through a test to determine if they have grown sufficiently to receive his wisdom.

Broadcast: 5 October 1974
Format: Episode Prod #: 205

Story Order: 268

The Animated Series: Season 2 (1974)
S02E06

The Counter-Clock Incident

Stardate: 6770.3 Year: 2270

While en route to Babel transporting Commodore Robert April, the U.S.S. Enterprise's first captain, and Dr. Sarah April, his wife and ship's first doctor, the Enterprise inadvertently locks a tractor beam on a ship diving into the Beta Niobe Nova. Both ships plunge through the nova and into a bizarre parallel universe where everything is backward. With time flying in reverse, the crew begins to grow younger at an accelerated rate.

Broadcast: 12 October 1974
Format: Episode Prod #: 206

Story Order: 269