Since 2011 he regularly appeared in the early-evening Dutch television talk show De Wereld Draait Door to discuss science-related topics.
In 2013, he acted as a host alongside Matthijs van Nieuwkerk and Isolde Hallensleben, in the spin-off television programme De wereld leert door, in which scientists were interviewed about their research.
[2] He was one of the contestants in the 17th season of the Dutch television show Wie is de Mol?
[7][8] In 2022, he looked at historic scientific experiments in the Dutch television series Jekels Jacht.
[9] Jekel and Jon Karthaus are the script writers of the 2022 Dutch feature film Costa!!.