Mike Leahy used to be a motorcycle mechanic, but after 10 years of grease and gears he decided to go back to school. But not just any school - Mike got into Oxford University and completed a PhD in Virology - so now he's Dr. Mike. Dr. Mike is really interested in two things: travelling and bitey bugs and beasties. Join Doctor Mike on an unforgettable journey around the globe to learn more about creatures who love nothing more than to take a little vacation of their own on, around or inside the human body.