All episodes Season 2 S02E18 1968-01-19 60 min 1960s NBC

Star Trek

The Immunity Syndrome

TV Flash files “The Immunity Syndrome” as hour 47 of 79 in the TV Flash guide — Star Trek (1966–1969) on NBC, season 2, episode 18, aired 1968-01-19, 60 min.

From the desk

How this hour is filed

This leaf is S02E18: listed hour 47 of 79 in the Star Trek guide, hour 18 of 26 in season 2. It aired 1968-01-19 (60 min). The listed hour before it is “A Piece of the Action” (S02E17). Next is “A Private Little War” (S02E19).

Star Trek — The Immunity Syndrome (S02E18)

Catalog log

Broadcast listing — not a TV Flash recap.

Spock senses the crew of Intrepid, a starship crewed solely by Vulcans, die. Enterprise investigates, and discovers a zone of darkness which conceals the hazard: an immense yet single-celled organism which drains energy from anything it encounters, as it did the Intrepid and her crew. And unless they can discover how to destroy it, Enterprise will be next. Worse, there are signs the organism has accumulated sufficient energy to reproduce...

Viewer FAQ

Where does The Immunity Syndrome sit in the Star Trek guide?

S02E18 is listed hour 47 of 79 — hour 18 of 26 in season 2, season 2 episode 18.

When did Star Trek S02E18 air?

The Immunity Syndrome aired 1968-01-19 and is listed at 60 minutes.

Where should I start if I have never seen original Star Trek?

The aired opener is “The Man Trap,” but many first-timers prefer “Where No Man Has Gone Before,” the second pilot and a cleaner crew contract. Either is fair. Do not start at season three.

In the series

Why this series still plays

Watch it for the fandom operating system still running: letter campaigns that saved a starship, ship wars before we had the word, and hours the timeline still litigates. Cancelled is not dead if the group chat refuses to log off.

So about last night's group chat: someone said "The Man Trap" is a fake start, someone else dropped a Kirk/Spock still captioned canon, your honor, and a third person announced that season three is optional like that is a personality. This is not new discourse. This is 1966 with better lighting and worse sleep. NBC tried to bury a space opera on a Friday, then a Tuesday, then wherever the schedule could hide a show it did not understand. The audience refused to log off. (I said spoiler-free. I lied a little: the…

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