Michaelmas Term 2005
- 18 October - Dr Colmán Etchingham (NUI Maynooth): Norway or Scotland: where did the Irish Vikings come from?
- 1 November - Mr Kenneth Clarke (University of Oxford): Chaucer, Boccaccio and Dante
- 9 November - Dr Stephen Clucas (Birkbeck, University of London): Necromancy as Sacrament: Issues in the Historiography of Early Modern Magic
- 10 November - Dr Stephen Clucas (Birkbeck, University of London): The Reception of Lucretius in the Sixteenth Century
- 14 November - Dr Ann Buckley (NUI Maynooth): Music of the Medieval Irish Church
- 29 November - Dr Cormac Ó Cuilleanáin (TCD): Nuns and Lovers: Clerical Misdemeanours in the Decameron
Hilary Term 2005
- 17 January - Dr Helen Conrad-O'Briain (TCD): Astronomy, Hydraulics and the Not-Quite- Human: or Is Chaucer the Father of English Science Fiction?
- 31 January - Dr Catherine Swift (St Mary Immaculate, Limerick): Towns and Trouble-Makers - what way forward for Sites like Woodstown?
- 14 February - Dr Helen Conrad-O'Briain (TCD): Tolkien: Medieval Scholarship Meets Popular Literature
- 21 February - Dr Ann Buckley (NUI Maynooth): Between the Sacred and the Secular: Monophonic Song in the Middle Ages
Trinity Term 2005
- 11 April - Dr Sarah Alyn Stacey (TCD): Filming the Renaissance: the Example of Patrice Chéreau's 'La Reine Margot'
- 25 April - Dr Gerald Morgan (TCD): Chaucer s Knight and the Integrity of Medieval Chivalry
Image: A Young Man Being Introduced to the Seven Liberal Arts (1483–1486) by Sandro Botticelli, used under a CC BY 4.0 license / Cropped from original.