He has has taught us about reading, educated us about penguins, portrayed the president of the United States, a chauffeur, a convict, and the Lord himself. But whether he’s come to us as “Easy Reader” on “The Electric Company,” driven Miss Daisy, or literally played God in “Bruce Almighty” and “Evan Almighty,” Morgan Freeman has captivated.

The actor himself is captivated by the cosmos, so he eagerly signed up to host and executive produce a third season of “Through the Wormhole.” The series, airing on the Science Channel on Wednesdays at 10 p.m., will employ everything from string theory to quantum mechanics to tackle big questions like “Is the universe alive?”; “Will we survive first contact?”; “Can we eliminate evil?”