Guest Stars:

Plastus  High advisor of Stratos
Droxine  Daughter of Plastus
Vanna  leader of the troglyte disrupters on Ardanna
Midras  a troglyte
Anka  a troglyte

Crew appearences:
Kirk, Spock, McCoy
uhura
Scott
No Sulu
No Chekov
 
The Enterprise arrives at Ardana to obtain zienite, a cure for a plague on Merak II. What they find is a divided race, with the elite living in the city in the clouds while the "have-nots" mine the zienite mineral, and they seem quite insane. Kirk realizes that the gas of the mines is causing this madness and he sets about getting both sides to talk out their differences.

Marak2: planet suffering a plague in their life support systems and need the mineral Zienite to fight the plague.

Ardanna:
Stratos: The city in the clouds, a perfect example of sustained antigravity elevation, where art is the chief occupation, no violence and totally intellectual

Zienite: ore mined on the planet that will stop the plague but which emits a gas that causes mental retardation and emotional instability

Troglytes: miners on Ardanna oppressed and prejudiced against by the Stratos city dwellers

Disrupters: small band of troglyte malcontents who are violently and trecherously trying to overthrow Stratos and making demands on the high council for equal opportunity

Morte: a troglyte implement for digging in the mines
Thongs: a troglyte implement

bloopers:

In the beginning when Kirk and Spock are lassoed by the troglytes, Kirk says, "what is the meaning of this attack?"....but his lips dont move. te he
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"The high advisor talking to his daughter is obviously angry and upset but his words are dubbed in very quiet and soft....te he.
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Quotes:
"I never before met a Vulcan." Droxine
"I never before met a work of art, ma'am." Spock.
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"That's not an exact quote, Mr. Scott. However, it does express the thought." Spock.
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"Now that is an exact quote, Mr. Scott." Spock.