http://www.podbbang.com/ (All Written in Korean)
This website will tell you which podcast is popular at the moment. It’s a real Korean podcast which means it´s not made for an educational purpose, but that´s one of the most enjoyable ways to learn because things get real now.
Talk to me in Korean
They also provided the dialogue audio base on the lesson they offer with transcription and translation available. This one is pretty relaxing : http://www.talktomeinkorean.com/grammarlessons/
isn’t up to date now but the contents available are very interesting