Can We Time Travel?

The volunteers arrive at a "magical parking lot" and are surprised by a DeLorean. They work out how to use the car to demonstrate their time traveling journey, back to the past and forward again to the future. Will they spot their mistake in their prediction of what they will see from the DeLorean?

The volunteers arrive on Arizona University campus to find a wooden trunk and eight clocks. They set up the black hole challenge. They notice that the clocks closest to the black sphere run slower than those further away. They realize that the inflatable is their black hole, and they must work out how they can use it to travel forward in time.

Stephen Hawking appears on screen in Times Square with a special message for the volunteers. He gives them three special numbers for their first challenge. Can they discover the location of his party with these three numbers? Their first thoughts are to follow the numbered streets of Manhattan.