| # | Date | Speaker | Subject | Place* |
| 125 | 1/9/19 | Nai-Chang Yeh | The Rise of Graphene: From Laboratory Curiosity to a Wonder Material for Science and Technology |
SWYC |
| 126 | 2/20/19 | Brian Keating | Losing the Nobel Prize: A Cosmic Mystery Story | SWYC |
| 127 | 4/3/19 | Pamela Cosman | An Engineer’s Data-Driven Perspective on Gender in STEM | SWYC |
| 128 | 5/15/19 | Eric Robinson John Hunter |
Space Cannons | SWYC |
| 129 | 6/26/19 | Jeff Severinghaus | Climate Change: What have we learned about our future from studying ice-core climate records? | SWYC |
| 130 | 8/7/19 | William Tong | Zeptomole-level (sub-parts-per-quadrillion-level) detection by multi-photon nonlinear laser methods for biomedical, environmental and security applications | SWYC |
| 131 | 9/25/19 | Mark Merrifield | Climate Change: Sea-level Rise: Global and Local Perspectives | SWYC |
| 132 | 10/30/19 | Pete Lobner | Russia’s Plans for Arctic Development Depend on Marine Nuclear Power | SWYC |
| 133 | 12/11/19 | Shelley Wright | New ways to search for extraterrestrial intelligence | SWYC |
