Season 1
6.6/101,200 votesLoading...Beyond the Farthest Star
Season 1 Episode 1 - Aired 9/8/1973
Stardate: 5521.3 In orbit around a dead star, the Enterprise comes across a huge starship inhabited by a parasitic life form that threatens the entire ship.
Director: Hal Sutherland
Writer: Samuel A. Peeples
8.0/101,246 votesLoading...Yesteryear
Season 1 Episode 2 - Aired 9/15/1973
Stardate: 5373.4 Spock travels back in time to prevent his death as a young Vulcan.
Director: N/A
Writer: D.C. Fontana
6.7/10995 votesLoading...One of Our Planets Is Missing
Season 1 Episode 3 - Aired 9/22/1973
Stardate: 5371.3 The crew of the Enterprise races to find a way to stop a cloud from destroying inhabited planets.
Director: Hal Sutherland
Writer: Marc Daniels
6.5/10994 votesLoading...The Lorelei Signal
Season 1 Episode 4 - Aired 9/29/1973
Stardate: 5483.7 Female crew members must take over the Enterprise when the men are incapacitated by a race of sirens.
Director: N/A
Writer: Margaret Armen
7.0/101,018 votesLoading...More Tribbles, More Troubles
Season 1 Episode 5 - Aired 10/6/1973
Stardate: 5392.4 Cyrano Jones introduces tribbles that cannot reproduce.
Director: N/A
Writer: David Gerrold
6.8/10914 votesLoading...The Survivor
Season 1 Episode 6 - Aired 10/13/1973
Stardate: 5143.3 The Enterprise finds a long-lost explorer.
Director: Hal Sutherland
Writer: James Schmerer
6.1/10895 votesLoading...The Infinite Vulcan
Season 1 Episode 7 - Aired 10/20/1973
Stardate: 5554.4 A race of plant people, and their master, have a plan to force peace onto the galaxy.
Director: N/A
Writer: Walter Koenig
5.9/10900 votesLoading...The Magicks of Megas-tu
Season 1 Episode 8 - Aired 10/27/1973
Stardate: 1254.4 At the center of the galaxy, the Enterprise discovers a race of powerful aliens.
Director: N/A
Writer: Larry Brody
6.2/10835 votesLoading...Once Upon a Planet
Season 1 Episode 9 - Aired 11/3/1973
Stardate: 5591.2 Kirk returns to the "shore leave" planet, but it's not as peaceful as it was when they last saw it.
Director: N/A
Writer: Chuck Menville
6.3/10842 votesLoading...Mudd's Passion
Season 1 Episode 10 - Aired 11/10/1973
Stardate: 4978.5 Space con artist Harry Mudd returns, selling a fake love potion.
Director: Hal Sutherland
Writer: Stephen Kandel
6.6/10817 votesLoading...The Terratin Incident
Season 1 Episode 11 - Aired 11/17/1973
Stardate: 5577.3 The Enterprise crew begins to shrink after radiation exposure.
Director: N/A
Writer: Paul Schneider
6.9/10828 votesLoading...The Time Trap
Season 1 Episode 12 - Aired 11/24/1973
Stardate: 5267.6 The Enterprise crew must work with Klingons to escape from a pocket universe.
Director: N/A
Writer: Joyce Perry
6.4/10797 votesLoading...The Ambergris Element
Season 1 Episode 13 - Aired 12/1/1973
Stardate: 5499.9 While exploring the planet Argo, Kirk and Spock are turned into water breathers.
Director: N/A
Writer: Margaret Armen
7.0/10864 votesLoading...The Slaver Weapon
Season 1 Episode 14 - Aired 12/15/1973
Stardate: 4187.3 Spock, Sulu, and Uhura discover a time capsule from an ancient and technologically advanced race. However, it draws some unwanted attention.
Director: Hal Sutherland
Writer: Larry Niven
6.7/10786 votesLoading...The Eye of the Beholder
Season 1 Episode 15 - Aired 1/5/1974
Stardate: 5501.2 Telepathic aliens put Kirk, Spock and McCoy in a zoo.
Director: N/A
Writer: David P. Harmon
6.2/10795 votesLoading...The Jihad
Season 1 Episode 16 - Aired 1/12/1974
Stardate: 5683.1 Kirk and Spock are recruited for a heist to recover a stolen relic, which if not recovered could spark an galactic jihad.
Director: N/A
Writer: Stephen Kandel