Paul and Barnabas on Cyprus, and the confrontation with Elymas the sorcerer who tried to turn the proconsul from the faith.
Acts 13:1-3. The church at Antioch is worshipping and fasting when the Spirit sets Barnabas and Saul apart, and the first missionary journey begins.
Acts 12:1-15. Peter is freed from prison while the church prays for him, and the praying church cannot quite believe it when he knocks.
Acts 11, where believers were first called Christians in Antioch — with a call to remember and pray for Christians in Syria paying that price now.
Peter's vision of the sheet let down from heaven, and his defence of eating with Gentiles: do not call anything impure that God has made clean.
Acts 9 and the conversion of Saul, brought by a guest preacher who leads a missions organization for orphans.