Matthew 17:8

And lifting up their eyes, they saw no one but Jesus alone.

Mark 9:8

And suddenly having looked around, they no longer saw any one, but Jesus alone with themselves.

Luke 9:36

And as the voice was heard Jesus was found alone: and they kept silence, and told no one in those days any of the things they had seen.

Acts 12:10-11

And having passed through a first and second guard, they came to the iron gate which leads into the city, which opened to them of itself; and going forth they went down one street, and immediately the angel left 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 having looked around, they no longer saw any one, but Jesus alone with themselves.
Luke 9:36
And as the voice was heard Jesus was found alone: and they kept silence, and told no one in those days any of the things they had seen.
Acts 12:10
And having passed through a first and second guard, they came to the iron gate which leads into the city, which opened to them of itself; and going forth they went down one street, and immediately the angel left him.