Live to Die Another Day

Jamie and Adam challenge teams to work with the theme of heavy vs. light.

Adam and Jamie challenge teams to build a fire and ice-themed machine.

Adam and Jamie challenge teams to build machines with a speed theme.

Adam and Jamie pit engineers against artists to build multi-step machines.

Adam and Jamie have teams square off to build tool-themed machines.

Two teams compete to build machines with the theme of movie mayhem.

Scientists examine the cosmic battles being waged between celestial bodies.

Scientists explore the past and future of meteor clashes with Earth.

Cosmic Collisions: Solar System travels through our cosmic neighborhood as we examine how collisions created our moon, left gashes on Jupiter, and how pieces of Mars ended up in our own backyard.

The human body is a resilient, versatile and adaptable machine, but it's evolved to operate at an optimum weight. How, with two thirds of the United States either overweight or obese, are we are pushing our bodies to their natural limit?

Extreme Bodies reveals the extraordinary stories of the most unique people on the planet. Conjoined Twins explores the amazing structures of people who are literally one in a billion!

Harnessing some of the most sophisticated medical imaging systems on the planet, Extreme Bodies takes us on a journey deep beneath the skin of the tallest giants in America: men and women who are often suffering from life-threatening conditions.

Shaped by genetic anomalies buried in their DNA, dwarfs' bodies are the products of incredible anatomical engineering. With the aid of cutting edge scanning techniques, Extreme Bodies uncovers the science hidden within the world's smallest people.

Hawking explores the question of whether time travel is possible.

"Are We Alone?" An eye-popping journey from the moons of Jupiter to a galaxy perhaps not so far, far away in search of alien life. We'll see what aliens might look like, question what it means to be alive, and calculate the odds of making 'contact'.

Stephen Hawking spans the entire life cycle of the universe.