Superboy
S01E12 Kryptonite Kills
A meteorite containing Kryptonite crashes in Addis Ababa and is shipped to Shuster for examination. Unexpectedly, it makes its way into Clark's geology class. During the lesson on minerals, Clark experiences the debilitating effects of Kryptonite for the first time, leaving him vulnerable and in agony.
Season 1 Episodes
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2
3
4
5
6
7
8
9
10
11
12
13
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The Jewel of the Techacal
A Kind of Princess
Back to Oblivion
The Russian Exchange Student
Countdown to Nowhere
Bringing Down the House
The Beast and Beauty
The Fixer
The Alien Solution
Troubled Waters
The Invisible People
Kryptonite Kills
Revenge of the Alien (1)
Revenge of the Alien (2)
Stand Up and Get Knocked Down
Meet Mr. Mxyzptlk
Birdwoman of the Swamps
Terror from the Blue
War of the Species
Little Hercules
Mutant
The Phantom of the Third Division
Black Flamingo
Hollywood
Succubus
Luthor Unleashed