THROUGH THE WORMHOLE WITH MORGAN FREEMAN
Science Channel, 10:00 p.m. ET
SEASON PREMIERE: To begin Season 4, Morgan Freeman and company are changing focus, going away from the galactic questions to ask some other, equally puzzling ones. No, not “Why is there air?,” though Bill Cosby’s answer to that still makes me laugh. But big questions nonetheless, starting with tonight’s controversial little query: “When does life begin?”