Audio
The Christian Church is greatly blessed by a number of video and audio lectures on Paul's letter to the Romans delivered by a number of greatly gifted teacher. Here are the links to some of the best.
Proclamation Trust has a treasure trove of some 120 excellent lectures and expositions on the book of Romans. When the page opens, use the "All bible books" filter to select for Romans.
Audio
Derek Thomas, Highlights from Romas. Ligonier Ministries. This is a series of 16 lectures. Video
Derek Thomas, Romans 8. Ligonier Ministries. This is a series of 12 lectures. Video
Dr Douglas Moo has an excellent course on Romans in BiblicalTraining. There are 53 lectures in this course. You need to sign in but it is free. And very good.html
David Pawson is one of the most renowned British expositors of the Bible. Here is a treasure trove of expositions on Romans. This series of 7 studies was delivered at Changi Cove, Singapore in 2014. video
David Pawson also has a audio series in which he expounds he letter to the Romans chapter by chapter:
Israel in th Book of Romans, Part 1 Video
Israel in th Book of Romans, Part 2 Video
The Gospel Coalition has a more than twenty pages list of excellent lectures available online. html
Tom Wright, "Romans Introduction 2011 St Andrews." video 22½ mins.
N. T. Wright, A Run Through Romans 8. Six lectures delivered at the Elmbrook Church in 2016. audio