It has been described as “laid-back discussion evenings on philosophical, skeptical and scientific topics, in an informal atmosphere, with a crowd of interesting speakers and the audience as the central guest”.

Speakers included Johan Braeckman, Farah Focquaert, Chris French, Alicja Gescinska, Jürgen Mettepenningen, Stephen Law, Patrick Loobuyck, Herman Philipse, Emanuel Rutten, Jean Paul Van Bendegem and Dirk Verhofstadt.

[1][2] On 17 October 2013, Het Denkgelag organised the "Debate on the Limits of Science" in the Leon De Meyer auditorium (1000 seats) at the Universiteitsforum (UFO) of Ghent University.

Debate on Transhumanism") with Kris Verburgh, Pieter Bonte, Philippe van Nedervelde and Martijntje Smits, presented by Brecht Decoene, was held on 27 November 2014 in De Centrale.

[1][5][6][7][8] On 26 January 2015 in the Stadsschouwburg Antwerpen (City Theatre of Antwerp, 2000 seats), the documentary The Unbelievers was screened, and the discussion "A Passion for Science and Reason" was held between Richard Dawkins and Lawrence M. Krauss, moderated by Julia Galef.