Matthew 17:8

And [when they] lifted up their eyes they saw no one except him--Jesus alone.

Mark 9:8

And suddenly, looking around, they no longer saw anyone with them but Jesus alone.

Luke 9:36

And after the voice had occurred, Jesus was found alone. And they kept silent and told no one in those days anything of what they had seen.

Acts 12:10-11

And [after they] had passed the first and second guard, they came to the iron gate that leads to the city, which opened for them by itself, and they went out [and] went forward [along] one narrow street, and at once the angel 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 anyone with them but Jesus alone.
Luke 9:36
And after the voice had occurred, Jesus was found alone. And they kept silent and told no one in those days anything of what they had seen.
Acts 12:10
And [after they] had passed the first and second guard, they came to the iron gate that leads to the city, which opened for them by itself, and they went out [and] went forward [along] one narrow street, and at once the angel departed from him.