Dr. Ox's Experiment

Dr. Ox wants to introduce a new gas lighting system in a small Flemish town. Free of charge. However something does not add up. Solely because Dr. Ox's goal is not as philanthropic as it seems. He conducts secret experiments on the effect of oxygen on all living creatures. The outcome is most certainly not expected. What goes wrong in his project? Do people realize what a madman they have let in t...