Justin joins the TWiP team to solve the case of the Gentleman with B cell Lymphoma, and consider the finding of Dracunculus species in river otters from Arkansas.

Vincent and Daniel solve the case of the Man in the City with Groin Rash, catch up on the long backlog of email, and present a new case, possibly the most complex one yet on the show.

The TWiP peeps solve the case of the Panamanian Mother with Steatorrhea, and reveal new monoclonal antibodies that effectively block malarial infection.