1 Peter 4:6

This is the purpose that the Gospel was preached to those who have died physically [for the faith]: It was so that, even though they had been judged physically [i.e., by suffering death at the hands of men], they could still live spiritually in the presence of God.

1 Peter 3:19

It was by the Holy Spirit that He went to preach [See Eph. 2:17] to the [now departed] spirits [of pre-Flood people who are now] in prison [i.e., Hades].

John 5:25-26

Truly, truly, I tell you, the time is coming, and is now [actually] here, when those who are [spiritually] dead will hear the voice of the Son of God; and those who hear [i.e., and heed His message] will have [spiritual] life.

Romans 8:2

For the Holy Spirit's law which provides [never ending] life for those in [fellowship with] Christ Jesus has freed me from the law that requires [spiritual] death for sinning.

Romans 8:9-11

But if the Spirit of God [truly] lives in your heart, you are not [being controlled] by the flesh, but by the Holy Spirit. But if any person does not have the Spirit of Christ [living in him], he does not belong to Christ.

1 Corinthians 11:31-32

But if we [had] examined ourselves [properly], we would not be [i.e., not have been] judged [i.e., with sickness and death. See verse 30].

Galatians 2:19

For it was by means of [this system of] law-keeping that I [realized I] was dead. This was so I could find life through a relationship with God.

Galatians 5:25

If we live by the [guidance of the] Holy Spirit, we should also walk in [the ways of] the Holy Spirit.

Ephesians 2:3-5

All of us [Jews] also once lived among such people, fulfilling the improper cravings of our physical being and doing what our bodies and minds desired. In this natural [unconverted] state we were deserving of [God's] wrath, just like the rest [of mankind].

Titus 3:3-7

For we [Christians] were also once foolish, disobedient, deceived, enslaved to various kinds of [evil] desires and [sinful] pleasures. [We used to] live in malice and envy, hating people and being hated by them.

1 Peter 4:1-2

Therefore, since Christ has suffered physically, you people should fortify yourselves with the same attitude He had. For the person who has suffered physically [i.e., in standing for Christ] has quit sinning.

Revelation 14:18

Then another angel [i.e., the sixth] came out of the Altar. He had authority over [its] fire and he called out in a loud voice to the one who had the sharp sickle [i.e., the fifth angel] saying, "Use your sharp sickle to gather the clusters from the vines of the earth, for its grapes are ripe."

Matthew 24:9

At that time people will turn you over [to the authorities] for persecution and will [even] kill you. And people from all countries will hate you for being loyal to me.

Treasury of Scripture Knowledge

Summary

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.

Bible References

To them

1 Peter 3:19
It was by the Holy Spirit that He went to preach [See Eph. 2:17] to the [now departed] spirits [of pre-Flood people who are now] in prison [i.e., Hades].
John 5:25
Truly, truly, I tell you, the time is coming, and is now [actually] here, when those who are [spiritually] dead will hear the voice of the Son of God; and those who hear [i.e., and heed His message] will have [spiritual] life.

But

Romans 8:2
For the Holy Spirit's law which provides [never ending] life for those in [fellowship with] Christ Jesus has freed me from the law that requires [spiritual] death for sinning.
Galatians 2:19
For it was by means of [this system of] law-keeping that I [realized I] was dead. This was so I could find life through a relationship with God.
Galatians 5:25
If we live by the [guidance of the] Holy Spirit, we should also walk in [the ways of] the Holy Spirit.
Ephesians 2:3
All of us [Jews] also once lived among such people, fulfilling the improper cravings of our physical being and doing what our bodies and minds desired. In this natural [unconverted] state we were deserving of [God's] wrath, just like the rest [of mankind].
Titus 3:3
For we [Christians] were also once foolish, disobedient, deceived, enslaved to various kinds of [evil] desires and [sinful] pleasures. [We used to] live in malice and envy, hating people and being hated by them.
Revelation 14:18
Then another angel [i.e., the sixth] came out of the Altar. He had authority over [its] fire and he called out in a loud voice to the one who had the sharp sickle [i.e., the fifth angel] saying, "Use your sharp sickle to gather the clusters from the vines of the earth, for its grapes are ripe."