Mark 9:8

"And suddenly, when they had looked round about, they saw no man any more, save Jesus only with themselves."

Cross References (ranked by relevance)

This was done thrice: and the vessel was received up again into heaven.

And their eyes were opened, and they knew him; and he vanished out of their sight.

And when the voice was past, Jesus was found alone. And they kept it close, and told no man in those days any of those things which they had seen.