Teams head to Kelowna, British Columbia, where they hit the slopes before tackling an unexpected challenge: collecting kangaroo droppings. With the dirty work behind them, racers put their memory skills to the test by learning the Syilx Okanagan people’s 13-moon cycles of the year, before closing out the leg by assembling a complex irrigation system. But with physical endurance and mental sharpness tested at every turn, which teams will rise to the challenge—and which will fall behind?
