John 18:27

Peter denied therefore again, and immediately the cock crew.

John 13:38

Jesus answers, Thou wilt lay down thy life for me! Verily, verily, I say to thee, The cock shall not crow till thou hast denied me thrice.

Matthew 26:34

Jesus said to him, Verily I say to thee, that during this night, before the cock shall crow, thou shalt deny me thrice.

Matthew 26:74-75

Then he began to curse and to swear, I know not the man. And immediately the cock crew.

Mark 14:30

And Jesus says to him, Verily I say to thee, that thou to-day, in this night, before the cock shall crow twice, thou shalt thrice deny me.

Mark 14:68

But he denied, saying, I know not nor understand what thou sayest. And he went out into the vestibule; and a cock crew.

Mark 14:71-72

But he began to curse and to swear, I know not this man of whom ye speak.

Luke 22:34

And he said, I tell thee, Peter, the cock shall not crow to-day before that thou shalt thrice deny that thou knowest me.

Luke 22:60-62

And Peter said, Man, I know not what thou sayest. And immediately, while he was yet speaking, the cock crew.

Treasury of Scripture Knowledge

Summary

Peter then denied again: and immediately the cock crew.

General references

Bible References

And

John 13:38
Jesus answers, Thou wilt lay down thy life for me! Verily, verily, I say to thee, The cock shall not crow till thou hast denied me thrice.
Matthew 26:34
Jesus said to him, Verily I say to thee, that during this night, before the cock shall crow, thou shalt deny me thrice.
Mark 14:30
And Jesus says to him, Verily I say to thee, that thou to-day, in this night, before the cock shall crow twice, thou shalt thrice deny me.
Luke 22:34
And he said, I tell thee, Peter, the cock shall not crow to-day before that thou shalt thrice deny that thou knowest me.

General references

John 20:6
Simon Peter therefore comes, following him, and entered into the tomb, and sees the linen cloths lying,
Acts 7:24
and seeing a certain one wronged, he defended him, and avenged him that was being oppressed, smiting the Egyptian.