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.
Luke 24:31
And their eyes were opened, and they recognised him. And he disappeared from them.
Acts 8:39-40
But when they came up out of the water the Spirit of the Lord caught away Philip, and the eunuch saw him no longer, for he went on his way rejoicing.
Acts 10:16
And this took place thrice, and the vessel was straightway taken up into heaven.