How could we forget my absolute favourite from Operation: Annihilate!, Ep 29/3287.2

McCoy in a low voice to Kirk:
"Please don't tell Spock I said he was the best First Officer in the fleet." Spock:
"Why thank you, Doctor."
Kirk:
"You were so concerned about his Vulcan eyes, you forgot about his Vulcan ears."

How that passed the censors in 1967, I'll never know. Glad it did, though

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Does earth plug a hole in Heaven or Heaven plug a hole in Earth? -Peter Gabriel