 Quarks & Co. (2019–2020) (TV Series)-Self (2 episodes, 2019) Self (2 episodes, 2019) See fewer Allergie oder Covid: Daran erkennen Sie Allergien! (Apr 21, 2020) Self (as Prof. Johannes Ring) Self (as Prof. Johannes Ring) See fewer Risiko Allergien - wie können wir uns schützen? (Apr 16, 2019) Self (as Prof. Johannes Ring) Self (as Prof. Johannes Ring) See fewer |
 Odysso - Wissen entdecken (2017) (TV Series)-Self (1 episode, 2017) Self (1 episode, 2017) See fewer Schöne heile Haut (Sep 21, 2017) Self Self See fewer |
 Planet Wissen (2015) (TV Series)-Self (1 episode, 2015) Self (1 episode, 2015) See fewer Mit Neurodermitis leben (Sep 30, 2015) Self Self See fewer |
 Alpha Forum (2001) (TV Series)-Self (1 episode, 2001) Self (1 episode, 2001) See fewer Johannes Ring - Dermatologe und Allergologe (Jun 20, 2001) Self Self See fewer |