"Party Parasite" is the seventeenth episode of Viva Piñata's second season.
Hudson finds that he can no longer generate candy. Dr. Quackberry discovers the problem is that Hudson has a dreaded party parasite inside, and that the only solution is for a whole team of piñatas to be shrunk and go inside Hudson and try to remove it. The team quickly discovers that it is actually Professor Pester eating up all of his candy. The task turns into trying to get him out of his body.