Matthew 17:8

And when they lifted up their eyes, they saw no one but Jesus.

Mark 9:8

And suddenly looking around, they no longer saw any one but Jesus only with themselves.

Luke 9:36

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

Acts 12:10-11

And when they had passed through the first and the second guard, they came to the iron gate that leads to the city, which opened to them of its own accord. And they went out, and passed on through one street; and the angel immediately departed from him.

Treasury of Scripture Knowledge

Summary

And when they had lifted up their eyes, they saw no man, save Jesus only.

Bible References

They saw

Mark 9:8
And suddenly looking around, they no longer saw any one but Jesus only with themselves.
Luke 9:36
And when the voice was past, Jesus was found alone. And they kept it secret, and told no one, in those days, any of the things which they had seen.
Acts 12:10
And when they had passed through the first and the second guard, they came to the iron gate that leads to the city, which opened to them of its own accord. And they went out, and passed on through one street; and the angel immediately departed from him.