The Geeks have hit the jackpot when they find themselves in Las Vegas, coupled up with US Beauties consisting of models, pageant winners and beauty queens. In this episode, the Geeks are dared to bare all in a Vegas strip show and the beauties will be tested on all things Australian. The winning team will gain immunity but one couple will be eliminated. Plus, a bombshell will change everything!

The beauties compete in a maths challenge while being locked in a tank of creepy-crawlies and the geeks must kiss a stranger. Plus, a record number of contestants are forced to leave the competition.

The beauties must convince a respected historian on their knowledge of world events.

Meanwhile, the geeks will have to master the art of taking a selfie. Plus, one geek gets an early makeover!

The girls compete in the ultimate game of biology whilst the boys strut their stuff as they participate in a real-life casting call to become the next big model.

The girls are at vet school where they are examined on their knowledge of all things animal. The boys are thrown into the world of television when faced with the task of selling women’s products.

The Beauties are put through their paces at vet school, while the Geeks are thrown into the world of live TV. Plus, the makeovers continue but this time the Beauties are calling the shots.

The beauties attempt to teach international students the English language while the geeks compete against celebrities Luke Jacobz and Johnny Ruffo in a blind date challenge.

In the grand final, the beauties and their geeks are tested mentally, physically and emotionally one last time as they fight it out to be crowned the winners. Hosted by James Tobin.