Probst explains that they will be divided into two teams of four members each to compete on the obstacle course. The first phase involves busting through "a maze of jungle timber." Then, they have to go across a balance beam, under a belly crawl, climb a ten-foot wall, and then navigate the "blown bridge" puzzle, where they have to use planks to travel from one stump to the next. Finally, they have to scale a wooden ladder and walk across a rope bridge. Three team members wait in a "jail cell" under the platform and dig up a tribe flag, while the remaining team member zip wires down to get a key to set everyone free. The entire team will then race for the finish line. Probst explains that the first team across the finish line wins the rain ponchos and letters, and then the members of that foursome will compete against each other in a different challenge for immunity. The tribe members scoff, because this whole explanation took, like, twenty minutes. Complex! They pick teams.
The teams have been selected by Alicia and Rupert, and they are: Alicia, Rob, Amber, and Shii Ann versus Rupert, Jenna, Kathy, and Big Tom. It would have been interesting to see who got chosen in what order, but that would have taken time away from the sobfest earlier, so we don't get to see it. The teams take off, and Big Tom just plows through the maze like a bull. Rob has more finesse, but he's also faster. Alicia's team makes it across the balance beam with a slight lead, mostly thanks to Rupert's ungainliness. Alicia's team is already to the wall while Rupert's team is just starting the belly crawl. Rupert pulls Big Tom through the belly crawl, probably regretting that choice. Why would you pick Big Tom for anything that required agility? Then again, it's Rupert, and he probably made his choices based on whom he likes and doesn't like. Rupert's team hits the wall, while Alicia's team is already doing the blown-bridge puzzle. Rob directs his team members across while Big Tom and Rupert pull Jenna up the wall, and she looks like she's flying. Alicia's team gets to the end of the puzzle, but their remaining plank isn't long enough to reach either of the nearby platforms. Probst encourages Rupert's team to keep working, since Rob hasn't figured out the puzzle yet. Rob and his team (and they actually do appear to be helping, even Shii Ann) realize that they need to set a plank on another plank in T-formation to make it across. So now Rupert's team can just copy them, which always bothers me about puzzle missions. They shouldn't be allowed to see what the other team does!