What to Watch

Sunday, April 20, 2008

All Week:

EARTH DAY PROGRAMMING

On various networks

Tuesday is Earth Day. Among programs marking the annual celebration:

· HGTV airs 20 Ways Your Home Can Save the Planet Sunday at 8 p.m.

· PBS 22's annual Chesapeake Bay Week features encore episodes all week, primarily in prime time.

· PBS Kids' Share the Earth Day on Tuesday includes green-friendly encores, with PBS 26 airing a new episode of "Super Why" on water conservation at 3:30 p.m.

· Also on Tuesday, from 6 a.m. to noon, Disney Channel airs Earth-friendly fare for preschoolers, including a new episode of Handy Manny at 9 a.m.

· PBS's Frontline rebroadcasts "Hot Politics," a special on global warming, on Tuesday at 9 p.m.

Sunday:

EXPEDITION ALASKA

9 p.m. on Discovery

This two-hour special opens the network's Alaska Week as a team of naturalists, scientists and filmmakers spend 40 days in the wilderness. The program includes new footage of some of Alaska's wild animals, filmed in the state's National Wildlife Refuge. Other Alaska Week broadcasts include the series premiere of The Alaska Experiment (Tuesday at 10 p.m.), Alaska Oilmen: Gamble on Ice (Thursday at 8 p.m.) and Surviving Alaska (Friday at 9 p.m.).

Tuesday:

ESPN FILMS: HELLFIGHTERS

9 p.m. on ESPN2

The network airs the first of four consecutive Tuesdays of sports documentaries with a profile of a high school football team in Harlem, N.Y.

Other films: The Streak (April 29) goes inside a high school wrestling program in Tampa that won 450 straight matches; Bud Greenspan: The Heart of the Games (May 6) looks at the Olympic filmmaker; and The Zen of Bobby V (May 13) profiles former Major League Baseball player and manager Bobby Valentine, who now coaches in Japan.

Saturday:

THE MIGHTY B!

10:30 a.m. on Nickelodeon

Comedian Amy Poehler, best known for a multitude of impressions on "Saturday Night Live," is a co-creator of this new animated series.

Bessie Higgenbottom, who strives to earn merit badges with her Honeybee troop, wants to transform into a superhero known as the Mighty Bee.

Bessie's loyal posse includes her brother, her dog and an imaginary friend called Finger. Poehler, Andy Richter and Kenan Thompson provide voices.

-- Written and compiled by the TV Week staff

Hello and Goodbye

Among prime-time series returning this week with new episodes:

· "Brothers and Sisters," Sunday, 10:02 p.m., ABC

· "Gossip Girl," Monday, 8 p.m., CW

· "Reaper," Tuesday, 9 p.m., CW

· "A Shot at Love With Tila Tequila," Tuesday, 10 p.m., MTV

· "Secrets of the Dead," Wednesday, 8 p.m., PBS

· "Law & Order," Wednesday, 10 p.m., NBC

· "Ugly Betty," Thursday, 8 p.m., ABC

· "Overhaulin,'" Thursday, 8 p.m., TLC

· "Grey's Anatomy," Thursday, 9 p.m., ABC

· "Supernatural," Thursday, 9 p.m., CW

· "Miami Ink," Thursday, 10 p.m., TLC

· "Lost," Thursday, 10:01 p.m., ABC

· "Moonlight," Friday, 9 p.m., CBS

Among series marking season finales:

· "Oprah's Big Give," Sunday, 8 p.m., ABC

· "America's Prom Queen," Monday, 9 p.m., ABC Family