The Birkbeck Institute for the Humanities has been hosting some ‘Masterclasses’ with Slavoj Žižek. The three talks are available for download here:

• The Idea of Communism and its Actuality (plus Q&A) (23rd March 2011)
• Lacan and Sexual Difference (plus Q&A) (25th March 2011)
• The Limits of Hegel (26th March 2011)

Need more Žižek? There’s also an older talk:

• Violence Revisited (plus Q&A) (12 November 2010)

Plus, here’s an interesting lecture (1971) by, and interviews with, Jacques Lacan in which he ruminates about language, death, faith, life, psychoanalysis, love, alienation, and paranoia: