For economics, The Economy 2.0 gives a structured introduction to data, institutions and policy applications. Poor Economics is useful because it tests economic claims through evidence and policy trade-offs.
For political philosophy, Introduction to Political Philosophy provides a route into Plato, Hobbes, Locke and Rousseau. [Justice: What's the Right Thing to Do?(https://sandel.scholars.harvard.edu/publications/justice-whats-right-thing-do) is a readable way into moral reasoning and public argument.
For institutions and collective action, Governing the Commons is especially relevant because it connects economics, political institutions and commons problems. The Prince is short enough to read closely and useful for thinking about power, legitimacy and political realism.
For listening and current questions, LSE iQ is useful because LSE academics discuss large social-science questions in a reflective format. More or Less is good practice for challenging statistics in politics, economics and public debate.
For video, LSE gives official LSE lectures and public events across economics, politics and society. CORE Econ is a useful open-access economics channel for modern introductory economics.