The final episode of the Amazing Race Season 17 airs tonight at 8 p.m. on CBS.
One team of the remaining three will finish first and win $1 million. Out of 11 teams who began the race, only Jill and Thomas, Nat and Kat and Brook and Claire remain.
Nick and Vicki were fourth place in last week's leg of the race and were eliminated.
The teams are expected to travel from South Korea to Los Angeles in the final leg of the race.