Teams dive deeper into the countryside of Thailand for the second leg of the race, encountering catfish-infested waters and pomelo-filled rivers.

For the first time, a former team surprises racers as judges; one team member must traverse a tightrope stretched from one rooftop to another at the historic Biltmore Hotel in downtown Los Angeles before heading to their first location, Thailand.

Racers leave no stone unturned while looking for a clue in Thessaloniki, Greece.