The girls get interviewing lessons to prepare for their trip down under in Sydney, Australia. Once there, they must use what they have learned about hosting and use it to interview the locals. Finally, the girls are asked to star in a Cover Girl commercial where one model struggles to remember her lines and the other struggles with performance.

In "Birds in a Truck," Adam and Jamie tackle Sir Isaac Newton's founding principle of thermodynamics and the law of conservation of momentum. They're looking into a physics' classroom urban myth. If birds in a truck take flight do they lighten the load? Watch to see if the 'Busters will be outsmarted by a flock of pigeons ... Meanwhile, Grant, Tory and Kari become crime scene investigators. A photo found on the Net shows a speedboat impaled on a channel marker, almost neatly split in half. In an effort to get to the bottom of this watery fender bender, our intrepid CSI team goes on a high-speed joyride.

The number of homeless people in South Park is increasing as they eat, sleep, and beg for change across the town. While the adults try to find creative solutions to deal with the homeless, the boys are trying to figure out a way to solve the problem for good

On Who's NOT honoring me now, Stephen complained that he was not being awarded a Pulitzer Prize in journalism. In "The Word," Stephen suggested the corporate sponsorship of the War on Terror since the "War on Terror is more than a name." Video showed promoting bovine growth hormones in dairy cows.