In the jungles of Brazil, Rex finds a scientist with connections to his forgotten past.
- Foreshadowing: Van Kleiss calls the people who received Rylander's "presents" the Consortium. We're later introduced to the Consortium in Season 3.
- Piranha Problem: EVO piranhas can fly with insectoid wings, grab things with insectoid legs, and bite through solid metal.
- Red Shirt: The boat's pilot is devoured by EVO piranhas before he can even attempt to help fend them off.
- Wham Episode: Van Kleiss seemingly dies and Rylander injects Rex with a mysterious Nanite after revealing that Rex has a brother who may still be alive.
