| Season 1 | |
| Title |
Production Number |
Original Airdate |
Stardate |
| Beyond the Farthest Star |
ST:ANI 22004 |
9/8/1973 |
5521.3 |
| Yesteryear |
ST:ANI 22003 |
9/15/1973 |
5373.4 |
| One of Our Planets is Missing |
ST:ANI 22007 |
9/22/1973 |
5371.3 |
| The Lorelei Signal |
ST:ANI 22006 |
9/29/1973 |
5483.7 |
| More Tribbles, More Troubles |
ST:ANI 22001 |
10/6/1973 |
5329.4 |
| The Survivor |
ST:ANI 22005 |
10/13/1973 |
5143.3 |
| The Infinite Vulcan |
ST:ANI 22002 |
10/20/1973 |
5554.4 |
| The Magicks of Megas-Tu |
ST:ANI 22009 |
10/27/1973 |
1254.4 |
| Once Upon A Planet |
ST:ANI 22017 |
11/3/1973 |
5591.2 |
| Mudd's Passion |
ST:ANI 22008 |
11/10/1973 |
4978.5 |
| The Terratin Incident |
ST:ANI 22015 |
11/17/1973 |
5577.3 |
| The Time Trap |
ST:ANI 22010 |
11/24/1973 |
5267.2 |
| The Ambergris Element |
ST:ANI 22013 |
12/1/1973 |
5499.9 |
| Slaver Weapon |
ST:ANI 22011 |
12/15/1973 |
4187.3 |
| The Eye of the Beholder |
ST:ANI 22016 |
1/5/1974 |
5501.2 |
| The Jihad |
ST:ANI 22014 |
1/12/1974 |
5683.1 |
| The Pirates of Orion |
ST:ANI 22020 |
9/7/1974 |
6334.1 |
| Bem |
ST:ANI 22018 |
9/14/1974 |
7403.6 |
| The Practical Joker |
ST:ANI 22021 |
9/21/1974 |
3183.3 |
| Albatross |
ST:ANI 22019 |
9/28/1974 |
5275.6 |
| How Sharper Than A Serpent's Tooth |
ST:ANI 22022 |
10/5/1974 |
6063.4 |
| The Counter-Clock Incident |
ST:ANI 22023 |
10/12/1974 |
6770.3 |