For Christ also hath once suffered for our sins. He, the just, suffered for the unjust, that He might bring us to God. In the body, He was put to death; in the spirit, He was brought to life. And in the spirit He went and preached to the spirits that were imprisoned, who formerly had not obeyed…. (I Peter 3:18-20)

Furthermore, this event is also clearly prophesied in the Old Testament. In the Church’s services, one prominent element is the “Polyeleos” of Matins. One portion of the Polyeleos is a selection of verses from the Psalms of the Prophet David appropriate for each major feast. For the Feast of Thomas Sunday, the Resurrection of Christ is the major event being celebrated, of course, and these are some of the Psalmic verses that we hear in the Polyeleos: