Interesting web site on cities
The first two of the transport series are currently on ABCiView (the one on the London Congestion charge only until 6pm Wednesday 30 June), and I presume the others will be added in following weeks, but all the design (series 3) and transport ones are watchable on the E2 website (under the webcasts tab) and there is further material on each under the podcasts tab.
http://www.e2-series.com/