Bob is back. His brain surgery caused an infection which leaves him in a bad shape when found. He is put into a medically-induced coma. The team travels to Mexico where an antibiotic-resistant strain of TB is killing the Zapatista Revolutionaries.

Amanda Martinez, April Hoyt, Chad Connell, Clare White, Colette Micks, Don Allison, Ennis Esmer, Geraint Wyn Davies, Mateo Morales, Mauricio Rodas, Pascal Petardi, Raul Tome, Victor Garber