It was definetely episode 10 because they reviwed episode 9 at the beginning. 
 It's true. I saw both episodes on youtube as well, i don't know how episode 10 got on there but it was there...who knows if it will still be there tomorrow...idk sometimes happens...but yes episode 10 is a reward challenge...starts off with Heather desperately trying to get DJ in an alliance with her and Amazon before Alejandro gets him with CRRRRH...Dj does everything he can to lose and be eliminated but Heather tricks him into singing and completing the challenge...CRRRh and Victory teams arrive to part two of the challenge first (DJ and Heather arrived seconds before CRRRH) but Courtney and Gwen got distracted by a rock in the form of duncan so they stopped in the middle of nowhere to climb the rock but it was just a rock...After the race, part two was a relay race: Teams had to first chug down a jug of vinegar (Heather tricks DJ into doing it because he has a cold and she says its herbal tea) then teams have to decipher what Chris's cousin is saying (he has a thick accent) DJ accidently guesses right by saying he has to use the bathroom and the final thing the teams have to do is kiss a fish like they really mean it...This time alejandro tricks DJ into kissing the fish by confirming what Heather says (she pointed out an Egyptian mark on the fish) and saying he needs to do it to protect the animals and Al also gets Tyler to do it by telling him to pretend its Lindsey (Owen and Izzy did the chugging/Al and Noah had to decipher but Alejandro was the one that got it not Noah) finally team Amazon arrives and Heather is mad at courtney because she left her in charge but Gwen says it was her fault so Heather says she's going to vote off Gwen but Chris informs them its a reward challenge and that Team Victory and Team CIRRRRH, both tied for the win, will share a clam showder dinner prepared by the loser (Heather because she was the only one there at the time)...OH! and another appearance by Ezekiel on the plane when Chef was kicking everyone out...well someone can try and refine that and write a summary