1 Peter 3:19
"By which also he went and preached unto the spirits in prison;"
Cross References (ranked by relevance)
For for this cause was the gospel preached also to them that are dead, that they might be judged according to men in the flesh, but live according to God in the spirit.
The Spirit of the Lord GOD is upon me; because the LORD hath anointed me to preach good tidings unto the meek; he hath sent me to bind up the brokenhearted, to proclaim liberty to the captives, and the opening of the prison to them that are bound;
To open the blind eyes, to bring out the prisoners from the prison, and them that sit in darkness out of the prison house.
That thou mayest say to the prisoners, Go forth; to them that are in darkness, Shew yourselves. They shall feed in the ways, and their pastures shall be in all high places.
Yet many years didst thou forbear them, and testifiedst against them by thy spirit in thy prophets: yet would they not give ear: therefore gavest thou them into the hand of the people of the lands.
And when the thousand years are expired, Satan shall be loosed out of his prison,