Documentaries about daring scientific fraud such as "The man who tried to fake an element" https://www.youtube.com/watch?v=Qe5WT22-AO8 or "The man who faked human cloning" https://www.youtube.com/watch?v=ett_8wLJ87U
Or the epic tale of political intrigue in "The $21,000,000,000 hole in Texas" https://www.youtube.com/watch?v=3xSUwgg1L4g about the The Superconducting Super Collider that never was.