PBS, with more than 330 member stations, offers all Americans the opportunity to experience the worlds of science, history, nature and public affairs; to hear diverse viewpoints; and to take front row seats to world-class drama and performances.

Three ordinary people search for humanity's true place in the cosmos.

Genius by Stephen Hawking

Where Are We?

Self-assembling machines, light-up bacteria and a physical demonstration of evolution revolutionize volunteers' views of life.

What Are We?

Stephen Hawking leads three people on a journey of discovery featuring racing cars, ice skaters, balloons and running tracks.

Where Did the Universe Come From?

Stephen Hawking prompts three people to think like philosophers as well as scientists as they assess why humans exist.

Why Are We Here?

Stephen Hawking challenges three people to ponder the likelihood of alien life.

Are We Alone?

Stephen Hawking considers whether time travel is possible; ideas include DeLoreans, atomic clocks, a giant black hole and a large swath of New York.

Can We Time Travel?

Stephen Hawking challenges volunteers and viewers to consider some of humanity's greatest questions.

S1 E4 | Where Did the Universe Come From?

E6 | Where Are We?

E5 | What Are We?

E4 | Where Did the Universe Come From?

E3 | Why Are We Here?

E2 | Are We Alone?

E1 | Can We Time Travel?