Wednesday at 8:30PM | NASA's Cassini reveals the mysteries of Saturn's rings—and new hope for life on a moon. Followed by Jupiter and Mars.

Premieres Monday at 7PM | New documentary explores a decade of upheaval, activism, and cultural transformation. 

Wednesday at 7PM | Parenthood is the ultimate journey, full of danger.

Thursday at 8PM | DCI Dalgliesh investigates the death of a nursing student poisoned during a demonstration.

Friday at 7PM on WORLD | The stories of three women entrepreneurs working to lift their communities out of poverty.

Friday at 10PM on WORLD | The role women have played in the conservation of the Florida Everglades

Sunday at 7PM | Ahead of his 100th birthday, celebrate the life and career of iconic actor Dick Van Dyke.