Luke 2:46

It was not till the third day that they found him in the Temple Courts, sitting among the Teachers, now listening to them, now asking them questions.

Luke 5:17

On one of those days, when Jesus was teaching, some Pharisees and Doctors of the Law were sitting near by. (They had come from all the villages in Galilee and Judea, and from Jerusalem; and the power of the Lord was upon Jesus, so that he could work cures.)

Matthew 12:40

For, just as 'Jonah was inside the sea-monster three days and three nights,' so shall the Son of Man be three days and three nights in the heart of the earth.

Matthew 16:21

At that time Jesus Christ began to explain to his disciples that he must go to Jerusalem, and undergo much suffering at the hands of the Councillors, and Chief Priests, and Teachers of the Law, and be put to death, and rise on the third day.

Matthew 27:63-64

"Sir, we remember that, during his lifetime, that impostor said 'I shall rise after three days.'

Luke 2:44-45

Thinking that he was with their fellow-travelers, they went one day's journey before searching for him among their relations and acquaintances;

Acts 5:34

But Gamaliel, a Pharisee, who was a Doctor of the Law and who was held in universal respect, rose in the Council, and directed that the men should be taken out of court for a little while.

Treasury of Scripture Knowledge

Summary

And it came to pass, that after three days they found him in the temple, sitting in the midst of the doctors, both hearing them, and asking them questions.

The doctors

Bible References

After

Luke 2:44
Thinking that he was with their fellow-travelers, they went one day's journey before searching for him among their relations and acquaintances;
Matthew 12:40
For, just as 'Jonah was inside the sea-monster three days and three nights,' so shall the Son of Man be three days and three nights in the heart of the earth.
Matthew 16:21
At that time Jesus Christ began to explain to his disciples that he must go to Jerusalem, and undergo much suffering at the hands of the Councillors, and Chief Priests, and Teachers of the Law, and be put to death, and rise on the third day.
Matthew 27:63
"Sir, we remember that, during his lifetime, that impostor said 'I shall rise after three days.'

The doctors

Luke 5:17
On one of those days, when Jesus was teaching, some Pharisees and Doctors of the Law were sitting near by. (They had come from all the villages in Galilee and Judea, and from Jerusalem; and the power of the Lord was upon Jesus, so that he could work cures.)
Acts 5:34
But Gamaliel, a Pharisee, who was a Doctor of the Law and who was held in universal respect, rose in the Council, and directed that the men should be taken out of court for a little while.