Mark 9:8

and instantly looking round about, they did not see any other person but Jesus with them.

Luke 9:36

and before the sound was gone, Jesus was left alone: this they kept secret, and for some time did not acquaint any one in the least with what they had seen.

Luke 24:31

when looking upon him more intently, they perceiv'd that it was Jesus. but he vanish'd out of sight.

Acts 8:39-40

when they were come out of the water, the spirit of the Lord caught away Philip, that the eunuch saw him no more: and he pursued his way with joy.

Acts 10:16

this was done thrice: and then the sheet was taken up into heaven.

Treasury of Scripture Knowledge

Summary

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

Bible References

General references

Luke 9:36
and before the sound was gone, Jesus was left alone: this they kept secret, and for some time did not acquaint any one in the least with what they had seen.
Luke 24:31
when looking upon him more intently, they perceiv'd that it was Jesus. but he vanish'd out of sight.
Acts 8:39
when they were come out of the water, the spirit of the Lord caught away Philip, that the eunuch saw him no more: and he pursued his way with joy.
Acts 10:16
this was done thrice: and then the sheet was taken up into heaven.