Sure! Here are some recommended podcasts and YouTube channels that provide detailed explanations of political science theories and international relations concepts for PSIR:

Podcasts:
1. "The Global Politico" - This podcast hosted by Susan Glasser offers in-depth interviews with international political figures and experts. It covers a wide range of topics related to global politics and international relations.

2. "The World Next Week" - Produced by the Council on Foreign Relations, this podcast provides a concise preview of key events and developments in international affairs. It offers valuable insights into political science theories and their application in real-world scenarios.

3. "The Ballpark" - This podcast hosted by Dr. Paul Musgrave explores political science concepts and theories in a conversational and accessible manner. It covers a wide range of topics relevant to PSIR, including international relations, comparative politics, and political theory.

YouTube Channels:
1. "The School of Life" - This channel offers insightful videos on various social sciences, including political philosophy, sociology, and psychology. It provides engaging and visually appealing content that helps viewers understand complex political science theories.

2. "TED-Ed Politics" - TED-Ed produces animated videos that explain political science concepts and theories in a clear and concise manner. Their videos are visually appealing and provide a great introduction to various topics in political science and international relations.

3. "Carnegie Council for Ethics in International Affairs" - This channel features interviews, lectures, and panel discussions with leading experts in international relations and political science. It covers a wide range of topics, including global governance, human rights, and conflict resolution.

4. "Crash Course" - Crash Course offers educational videos on a wide range of subjects, including political science. Their videos provide detailed explanations of various concepts and theories in an engaging and accessible format.

Remember, these podcasts and YouTube channels should serve as supplementary resources to your primary study materials. It's important to engage with a variety of sources and consult your textbooks and scholarly articles to develop a comprehensive understanding of political science theories and international relations concepts.