These podcasts do a great job combining interesting research with light, often fun, conversation:
Choiceology (hosted by Katy Milkman)
No Stupid Questions (hosted by Stephen Dubner and Angela Duckworth)
Hidden Brain (hosted by Shankar Vedantam)
Freakonomics (hosted by Stephen Dubner)
Also see the Econimate series of youtube videos for fun summaries of research in economics
The Behavior Change for Good Initiative has a weekly online seminar series, hosted by Katy Milkman and Angela Duckworth. Webinars can be joined live, and include opportunities for audience questions. Recorded sessions are also available for viewing: https://bcfg.wharton.upenn.edu/bcfg-seminars/
The Virtual Behavioral Economics Seminar (VIBES) is organized by Aniol Llorente-Saguer and Salvatore Nunnari. Sign up to join weekly webinars: https://sites.google.com/view/vibesecon