warning, spoilers for those that care...
off the top of my head, they start off heading to an underground tunnel in the middle of the city. (can't remember where?) they all head off in their tundras and team miss usas actually get there first. the go down into the tunnel to "follow the drinking gourd". they find the message on the wall and memorize it. (what no pen and paper? duh.) but they walk off without taking the clue! (double duh!) i think the ex cia's and southie boys get there next and find the clue, a flag, and red sun glasses that reveal their next destination. a plantation south somewhere. this is the beginning of "follow the drinking gourd" show. (if we made a drinking game about every time they show the lyrics or play the music, you'd be drunk well before the show is half over.) the miss usas stumble around the grate where they went in and see the other teams come out with the flags etc and realize they screwed up big and go back for the clues. the rest of the teams stumble trough but get the right info and head off to the swamp. they're all told that $30k is waiting for the first team to find it before the next elimination. this seems to get their attention.
the southie boys get to the plantation first. they get a quilt with a map on it and a key. they are told to "follow the drinking gourd". they're going to follow a part of the underground railroad that the exslaves used to get to freedom. the song actually has symbols in it that correspond to the images on the map on the quilt. the idea is to take the key and find and open six boxes. you have to visit the boxes in the order of the song in order to get the key to the next box etc etc. but no one really gets that and off they all trek into the swamp. the southie boys find a box first but it's the wrong one and they gps it and realize that they need to follow the order.
the ex cia's and fogels arrive next and trek in. the ex-cias actually figure out what they're supposed to do and find the right box first. the southies and fogels end up marching along together. everyone wants to kill the whiney fogel girl who complains every step of the way. (i can't believe the southie boys are hanging out with them again!) the other teams arrive and one by one head off. they all struggle through water that's chest high in some cases. lots and lots of slogging.
when the ex-cia's make it to the third box, surprise, twist time. they have to choose time or team. they can leave one team member behind and keep going. there's a boat that will carry only two members of the team. they can choose to send it back for the third but it will cost them three hours. one by one, the teams leave one member behind with promises to return. the fogels leave the whiny crying daughter behind as mom sobs. the $30k is making them really think about the three hours they're giving up. but one by one, the first five teams return for their team mates, even the fogels. (rats!) the fogel girl sat there and cried the entire 3 hours. i'm sure the other team members sitting there wanted to drown her.
the first batch of teams make their way to the next three boxes. with all the drama over the separation, the southie boys get away from the fogels. (yeah!) they actually almost catch up to the ex cias. but the cia guys get to the sixth box first and win the $30k in gold coins that they have to carry out now.
the second last team to arrive at this box is the geniuses. all along the way, we're shown one of the guys really struggling and fighting his asma. we're shown the other two boating away discussing keeping him or not...one wants to keep him and the other thinks he is done.
the brown family has a real problem as one of the team falls in the deeper water and rips a muscle. they end up bringing in a medical team to take him away as they trudge back to the plantation.
and then we get..."to be continued..."
(if i had realized that we were seeing next weeks show, i would have taken some notes, sigh.)