Catholic Answers has posted a video wherein Karlo Broussard has defended (with some qualifications [e.g. invincible ignorance]) of baptismal regeneration:
122820 FOCUS Karlo Baptism Necessary
Broussard does a good job, such as refuting the canard that Acts 10:47 refutes baptismal regeneration. On this, see Acts 10:47, Cornelius, and Baptismal Regeneration (cf. Does Cornelius Help Refute Baptismal Regeneration? and. Was Cornelius Converted Before Acts 10?)
For more on baptism and its salvific efficacy, something I have written a great deal about, see:
Christ's baptism is NOT imputed to the believer
J. Paul Sampley on Baptismal Regeneration and Ephesians 5:25-27
On the related issue of imputed righteousness (which informs a lot of the errant arguments against baptismal regeneration and other doctrines), see: