Daniel and his friends appear before Nebuchadnezzar
Daniel and his friends appeared before Nebuchadnezzar after their education, and he was impressed with them.
Key passages
Da 1:17–20

And as for these four young men, God gave to them knowledge and insight into all literature and wisdom, and Daniel had insight into all visions and dreams. And at the end of the time the king had set to bring them, the commander of the court officials brought them in before Nebuchadnezzar. …