Morgan Freeman exudes gravitas. He has played the president and God. His name is almost synonymous with authority.
So as he patiently explains that aliens might be traveling to Earth to eat us, you can't help but feel a little nervous.
The man-eating alien scenario is just one of the possibilities Freeman explores with his Science series "Through the Wormhole," returning for its third season tonight. Each episode addresses a different question about the universe, no matter how difficult or contentious. Tonight's premiere, for example, is titled, "Is There a Superior Race?"