This is not an online degree offer from UC Berkeley but their online courses in podcast format will greatly benefit students especially those who are into online studying. Both campus and online students whether from UC Berkeley or not will be able to hear the complete course lectures at no extra cost.
These podcasts can be use as supplemental resource for the same course you are taking or as new opportunity to learn something for free. The UC Berkeley program is called coursecasting and they have around 50 full courses that are available as downloadable podcast over iTunes.
So if you are looking for a way to boost your knowledge, why not try these free course podcasts? And if you are planning to take an online degree, this will be a great opportunity to start the wonderful advantages of classes given online.