A full course on video. Latest slide decks and other materials can be found at http://www.stanford.edu/class/cs193p/cgi-bin/drupal/downloads-2010-winter (will not match exactly with online course).

Excerpt:

Tools and APIs required to build applications for the iPhone platform using the iPhone SDK. User interface designs for mobile devices and unique user interactions using multitouch technologies. Object-oriented design using model-view-controller pattern, memory management, Objective-C programming language. iPhone APIs and tools including Xcode, Interface Builder and Instruments on Mac OS X. Other topics include: core animation, bonjour networking, mobile device power management and performance considerations. Prerequisites: C language and programming experience at the level of 106B or X. Recommended: UNIX, object-oriented programming, graphical toolkits Offered by Stanford’s School of Engineering, the course will last ten weeks and include both the lecture videos and PDF documents. A new lecture will be posted each Wednesday and Friday. Subscribe to this course, and automatically receive new lectures as they become available. Released with a Creative Commons BY-NC-ND license.