S41·E105 Episode 6228 (Thu 3rd May 2012) (Part 1)

Zak heads to the hospital alone, where Doctor Maude tells him the test results are all fine and there's nothing to worry about. Zak insists that he must be sick, and Dr Maude calls security when he becomes aggressive. The doctor suggests that Zak would benefit from some counselling, but he leaves in turmoil.