Off the Wall loves Lucy.

CENTENNIAL BALL Lucille Ball would have turned 100 today, and TV never forgets its favorite redhead. There's a two-day marathon of "I Love Lucy" (Saturday 5 a.m.-Monday 8 a.m., Hallmark), along with 24 hours of her earlier Hollywood motion pictures all day and all night. Must-sees include the prime-time double feature of 1940's "Dance, Girl, Dance" (Saturday night at 6:15), one of the few golden-age flicks directed by a woman (Dorothy Arzner), and 1937's "Stage Door" (8 p.m., both on TCM). Everything Lucy at lucy-desi.com.

MARATHON MANIA Wanna just sit and watch and watch some more? Here's your chance, with your choice of hour faves new and old -- "In Plain Sight" (Saturday 6 a.m.-11 p.m., Sleuth), "White Collar" (Sunday noon-6 a.m., Sleuth), "The Hunger" (Tuesday 9 a.m.-4 p.m., Chiller), "T.J. Hooker" (Wednesday 8 a.m.-7 p.m., Universal HD), "House" (Wednesday 2 p.m.-3 a.m., Sleuth) and "The Sarah Connor Chronicles" (Friday 8 a.m.-4 p.m., Syfy).

SURFERS HEALING There's a lot of good going on in "The Swell Life" (Saturday noon-5 p.m., OWN), as surf family prince Izzy Paskowitz and his wife run surf camps for kids with autism, including their 18-year-old son. (They'll do local camps next month in Long Beach and Montauk.) More about the concept at paskowitz.com.

AWARDS ALERT Will.i.am of the Black Eyed Peas is the DJ -- more important than any host! -- for this year's "Teen Choice Awards 2011" (Sunday 8-10 p.m., Fox/5), honoring fan-voted faves in TV, movies, music, sports and fashion. All the scoop at teenchoiceawards.com.

EARLY TV FLASHBACK For 23 years of Sunday nights, a New York newspaper columnist hosted a showcase of world talent that kept American families glued to the tube together. "The Ed Sullivan Comedy Special" (Sunday 8-10 p.m.) again occupies Sullivan's traditional Sunday at 8 p.m. time slot (it also airs Thursday at 9:30 p.m. on WNET/13), this time with a compilation of '50s-'60s comedy, from Bob Hope and Jackie Gleason to George Carlin and Richard Pryor. More about this TV classic at edsullivan.com/show- history.

GLAM ADAM With all its "Idol" intrigue and gay gossip, "Behind the Music: Adam Lambert" (Sunday at 10 p.m., VH1) is one episode definitely worth watching. Previews, past episodes at behindthemusic.vh1.com.

REALITY PREMIERES Among this week's new arrivals is the hands-down Best Title winner: "Hillbilly Handfishin' " (Sunday at 10 p.m., Animal Planet), which asks city slickers to wade out and grab Oklahoma catfish. Then there's the title runner-up: "Big Law: Deputy Butterbean" (Tuesday at 10 and 10:30 p.m., ID), watching 400-pound ex-boxer Eric "Butterbean" Esch trying law enforcement in his Alabama hometown. Also debuting: "Russian Dolls" (Thursday at 10:30 p.m., Lifetime), dishing drama among young "hotties" in Brighton Beach's Russian community, and "Invention USA" (Friday at 10 and 10:30 p.m., History), following two techies around the country in search of the next great thing.

BARBRA One name's enough to identify this star, as TV charts The Voice's career from the '60s to Saturday. "Barbra Streisand: One Night Only at the Village Vanguard" (Monday at 8 p.m., PBS/13) captures an intimate 2009 show, while the movie musical "Hello, Dolly!" (Thursday at 5 p.m., Friday at noon, Fox Movie Channel) is a 1969 throwback to an earlier era of moviemaking, directed by Gene Kelly. "One Night Only" sneak peek at youtube.com/ watch?v=6byr14TssEg.

CINEMAX ORIGINAL PROGRAMMING THAT'S NOT SEX Yes, it's true! HBO's premium cable sibling, long known mostly for late-night titillation, is venturing into the original series business. "Strike Back" (Friday at 10 p.m., Cinemax) is an actioner starring Philip Winchester ("Crusoe") and hunky Sullivan Stapleton as international operatives tracking top-level terror threats. The British co-production is shot on location in South Africa and Hungary. Watch the trailer at cinemax.com/strike-back.