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.

Vincent and Daniel solve the case of the Panamanian Farmer with Three Weeks of Diarrhea, and discuss how microbes egested during bites of sand flies exacerbate the severity of leishmaniasis.