Star Trek (1973)
S01E13 The Ambergris Element
Stardate: 5499.9 During their mission on the planet Argo, Kirk and Spock undergo a bizarre transformation that converts them into beings capable of breathing underwater.
Season 1 Episodes
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2
3
4
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7
8
9
10
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13
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16
Beyond the Farthest Star
Yesteryear
One of Our Planets Is Missing
The Lorelei Signal
More Tribbles, More Troubles
The Survivor
The Infinite Vulcan
The Magicks of Megas-tu
Once Upon a Planet
Mudd's Passion
The Terratin Incident
The Time Trap
The Ambergris Element
The Slaver Weapon
The Eye of the Beholder
The Jihad