S1E7: My Three Suns
Psst. You want to buy organ?
Fresh and cheap ready for transplant.
Ooh, what's this?
Ah, it's X-ray eye.
See through anything.
Wait a minute. This says "Z-ray."
"Z" is just as good. In fact, it's better.
It's two more than "X."
Hmm, I can see where that would be an advantage.