Teams travel to Lisbon, Portugal where they're put through the basics of singing, counting, and reading detail in their clues. Newlyweds Ashleigh and Jarrod face the biggest test of their relationship since getting married. Local seafood delights turn into an ordeal for everyone.

In the race to the final three, teams step up their game as they race across Buenos Aires, Argentina. Each team will tackle preparing a horse for a polo match and tango dancing.