Ah, YouTube. Is there anything it can't mashup?
This is brilliant, in a funny way:
The crew of the Enterprise finds Camelot And this is brilliant, in a disturbing way:
Kirk and Spock get closer Man, i'm not a slasher, but that last one made me root for them to get together.
ETA: Ahem. The first link comes from my dear
Dr. Surly.