There have been some good TED talks on behavioural economics over the last few years. Below is a sample:
Dan Ariely on whether we are in control of our decisions and again here on corruption.
The Paradox of Choice by Barry Schwartz.
Daniel Gilbert on affective forecasting.
Daniel Kahneman on experience versus memory.
Sendhil Mullainathan on behavioural interventions.
Rory Sutherland on behavioural economics and advertising.
More psychology than behavioural economics per se but Mihaly Cszickzentmihalyi is close enough for me. Here he talks about optimal experience