| # | Episode Title | Description | People | Date | |
|---|---|---|---|---|---|
| 1 | Observation of the mergers of binary black holes: The opening of gravitational wave astronomy | The 2017 Halley Lecture 7th June 2017 delivered by Professor Rainer Weiss, MIT on behalf of the LIGO Scientific Collaboration | Rainer Weiss | 27 Jun 2017 | |
| 2 | The Perfect Theory: A Century of Geniuses and the Battle over General Relativity | A discussion exploring Pedro Ferreira's book | Pedro Ferreira, Harvey Brown, Alex Butterworth, Javier Lezaun | 16 Mar 2015 |