Mark 4:34

But he did not speak to them without a parable. And when they were alone, He explained all things to His disciples.

John 16:25

I have spoken these things to you in parables, but the time is coming when I shall no more speak to you in parables, but I will show you plainly of the Father.

Matthew 13:36-43

Then sending the crowds away, Jesus went into the house. And His disciples came to Him, saying, Explain to us the parable of the darnel of the field.

Matthew 15:15-20

Then Peter answered and said to Him, Explain this parable to us.

Mark 4:10

And when He was alone, they who were about Him, with the Twelve, asked Him concerning the parable.

Luke 24:27

And beginning at Moses and all the Prophets, He expounded to them in all the Scriptures the things concerning Himself.

Mark 7:17-23

And when He had entered into the house away from the crowd, His disciples asked Him concerning the parable.

Luke 8:9-10

And His disciples asked Him, saying, What might this parable be?

Luke 24:44-46

And He said to them, These are the words which I spoke to you while I was still with you, that all things must be fulfilled which were written in the Law of Moses and in the Prophets and in the Psalms about Me.

Treasury of Scripture Knowledge

Summary

But without a parable spake he not unto them: and when they were alone, he expounded all things to his disciples.

Bible References

When

Mark 4:10
And when He was alone, they who were about Him, with the Twelve, asked Him concerning the parable.
Mark 7:17
And when He had entered into the house away from the crowd, His disciples asked Him concerning the parable.
Matthew 13:36
Then sending the crowds away, Jesus went into the house. And His disciples came to Him, saying, Explain to us the parable of the darnel of the field.
Matthew 15:15
Then Peter answered and said to Him, Explain this parable to us.
Luke 8:9
And His disciples asked Him, saying, What might this parable be?
Luke 24:27
And beginning at Moses and all the Prophets, He expounded to them in all the Scriptures the things concerning Himself.

General references

Ezekiel 17:2
Son of man, put out a riddle and speak a parable to the house of Israel.
Matthew 13:34
Jesus spoke all these things to the crowds in parables, and He did not speak to them without a parable,
Matthew 22:1
And Jesus answered and spoke to them again by parables, and said,
Mark 4:10
And when He was alone, they who were about Him, with the Twelve, asked Him concerning the parable.
Mark 7:17
And when He had entered into the house away from the crowd, His disciples asked Him concerning the parable.