Probst welcomes them all to the challenge and explains how it will work. They need to go over and under wooden barriers while untying bags of puzzle pieces. The first three people across the finish line with three bags of puzzle pieces move on to the final round, which involves opening the bags and assembling a wooden snake puzzle from the pieces. And, as has been stated, it's basically everyone against Penner. They start out and Jeff Kent, Pete, Skupin, Penner and Malcolm seem to be way in front from the beginning. Abi is limping heavily all of a sudden. Pete breezes through the course and crosses the finish line first. Jeff Kent is not far behind him. So now it comes down to Skupin and Penner, battling it out for that third slot. They seem to finish untying their last bag at the same time, with Skupin maybe a bit ahead, but then Penner just dives for it and makes it over the finish line first, earning a spot in the final.

Jeff Kent, Pete and Penner line up to assemble the snake puzzle. Penner seems way behind at the beginning, but apparently he was just getting the big picture instead of assembling the puzzle piece by piece, because when he does start assembling, he goes like a house afire. Everyone watching is quietly urging Pete or Jeff Kent to win; otherwise, all their big plans go down in flames. Penner is a machine, playing pieces quickly and efficiently and he passes Pete and Jeff Kent and ultimately wins. Holy crap. That was intense. And really good television. I knew the various alliances should make a Plan B, because you just never know with this game. Penner kisses the head of the snake puzzle and tells Jeff Probst that it's his first time winning immunity. Jeff Kent murmurs, "What a choke." I think. It could have been, "What a joke," but I don't think so. Penner grins while everyone else looks despondent.

They all return to camp and most of the tribe has recovered enough to congratulate Penner on his win. Malcolm interviews that the one thing they didn't want to happen has happened and now they are scrambling to figure out who to get rid of instead of Penner. I still seriously can't believe that they never even discussed this.

Malcolm, Jeff Kent and Pete have a quick conference where they decide that Skupin should go, since he was next anyway. They tell Lisa and Carter, neither of whom is surprised. As they break up, Malcolm quickly asks Pete what he's going to tell Skupin, like who are they going to say they're voting for. Pete's so dumb (or egotistical... or both) that he doesn't think they need a cover story, like Skupin won't ask who everyone is voting for or figure out that it's probably him. Ugh. Pete feels like Skupin knows, which he probably does, but that doesn't mean he won't scramble.