A few months ago, Christ Fellowship Bible Church (St Louis) conducted a 5-part series on Roman Catholic Doctrine.
This series shows how many of the cardinal Catholic doctrines attack the biblical gospel.
1. Roman Catholic Doctrine Attacks the Sufficiency of Scripture (listen | download)
2. Roman Catholic Doctrine Attacks the Sufficiency of Jesus' Death (listen | download)
3. Roman Catholic Doctrine Attacks the Singularity of God's Gospel (listen | download)
4. Roman Catholic Doctrine Attacks the Sanctity of Christ's Church (listen | download)
5. Roman Catholic Doctrine Attacks the Severity of God's Judgment (listen | download)