Want to learn about object-oriented programming, iOS development and the like? Take a look at the free stuff on iTunes Podcasts and iTunes U. It is free! Many of these podcasts aren't new but they are still relevant to the field. Anyone can learn so much by listening to them with their iPad or on their Apple TV. Here is a non-exhaustive list of the the things you can find. Am I missing something? Post a comment so I'll update my post.
"Free screencasts on practical iPhone development tips and tricks."Developing Apps for iOS (HD) - By Paul Hegarty via Stanford University - Last episode: January, 5th, 2011
iPhone Application Programming - by Jan Borchers - Last episode: May, 7th, 2010
"Beginner to Advanced tutorials on how to program with Cocoa, Xcode and Interface Builder."Cocoa Touch Netcast - By Robert Van Slooten - Last episode: January, 21, 2011
"Follow along with CTN and learn to write iPhone, IPod Touch and iPad applications. CTN is a collection of video episodes that introduce you to the: Objective-C language, Cocoa Touch frameworks, design patterns and development tools."Cocoa Maker - By Mr. Gecko - Last episode: April, 13, 2010
"Cocoa Maker is a Podcast to teach you how to make applications using Cocoa that starts from the beginning to the end. We will teach you things from Memory Management to the Syntax of Cocoa it self."Cocoa Talk - By FOR neXtSoft - Last episode: June, 21, 2010
"Discussion about different programming issues and coding how to's"CocoaCast - By Boris Klaydman - Last episode: November, 4, 2008
"Starting with Episode 33 offered in Apple TV HD format. A Podcast for people who want to learn Cocoa, Objective-C, share their experience and resources. I would like to introduce myself and tell you what this Podcast is all about. Also, I would like to invite you to join me in learning Cocoa and Objective-C. If you have been trying to learn Cocoa and Objective-C look no further. I do not claim to be an expert in neither Cocoa nor Objective-C however I want to master both and I hope many of you do too. This Podcast will be a starting point for learning Cocoa and a central place for tips, tricks, user discussions, and much more."OnMacDevelopment - By InformIT - Last episode: June, 16, 2010
"Conversations and tutorials on today's latest technology in Mac software, applications, programming, and development. Step into the world of Mac OS X development with leading author experts on topics such as Snow Leopard, iPhone SDK, Safari, Cocoa, and more."Xcode Quick Tips - By Steve Scott (Scotty) - Last episode: September, 8, 2008
"A screencast of tips for Xcode users from The Mac Developer Nework This is the SD (852 X 480) verison an HD Version and iPod version are also available"iPhone Dev Screencasts - By Troy Mcilvena - Last episode: March, 2, 2009
"iPhone development screencasts for beginner to intermediate iPhone developers"MacBreak Dev - By Alex Lindsay - Last episode: July, 28, 2010
"Join Alex Lindsay and the rest of the MacBreak team as they dive deep into developer tools that can re-shape your Mac."The OOP Scoop - By CUWCS - Last episode: October, 1, 2008
"The OOP Scoop covers Object-Oriented programming from the ground up. Including detailed tracks relative to Objective-C, Java and C#."