Two long-running series that have very little to do with each other draw to a close: Nat Geo Wild’s “Dog Whisperer” on Saturday and Showtime’s “Weeds” on Sunday.

And two competitive reality programs that are direct competitors return this week: “The Voice” on NBC starting Monday and “The X Factor” on Wednesday with new judges Demi Lovato and Britney Spears. And “America’s Got Talent” on NBC ends its run Thursday.

MONDAY

“Bachelor Pad” 8 p.m. ABC (third season finale) — The winning couple takes home $250,000.

“Basketball Wives LA” 8 p.m. VH1 (second season debut) — Suzie gossips about a hot weekend in Vegas.

“Hell’s Kitchen” 8 p.m. Fox (10th season finale) — Christina and Justin are the finalists.

“The Voice” 8 p.m. NBC (third season debut) —Cee Lo Green and the other three judges are back for more.

“Hoarders” 9 p.m. A&E (sixth season debut) — A husband threatens to leave a hoarder.

“Major Crimes” 9 p.m. TNT — The squad scrambles to crack a kidnapping case.

“T.I. & Tiny” 11 p.m. VH1 — A huge four million viewers caught the season debut last week.

“The New Normal” 10 p.m. NBC (new series) — Atlanta’s NeNe Leakes plays a sassy, mouthy assistant.

“R&B Divas” 10 p.m. TV One — Keke prepares to give birth.

TUESDAY

“The 9/11 Surfer” 8 p.m. Discovery — A man who survived a 22-story fall from the Twin Towers.

“So You Think You Can Dance” 8 p.m. Fox — Atlanta’s Cyrus Spencer is one of two final male dancers in position to win the title.

“Go On” 9 p.m. NBC —Ryan makes progress grieving for his dead wife.

“White Collar” 9 p.m. USA — Peter and Neal infiltrate a white-collar boxing ring.

“The New Normal” 9:30 p.m. NBC — Shania tries to adapt to her new surroundings.

“Parenthood” 10 p.m. NBC (fourth season debut) — Ray Romano plays a photographer who takes the family’s portrait.

“Sons of Anarchy” 10 p.m. FX (fifth season debut) — Jax takes the reins of SAMCRO.

“Covert Affairs” 10:01 p.m. USA — An agent’s life is in peril.

WEDNESDAY

“The Voice” 8 p.m. NBC — A special night of blind auditions.

“The X Factor” 8 p.m. Fox (second season debut) — Simon Cowell is peeved that “The Voice” decided to go head to head with “The X Factor” tonight as Britney Spears becomes a judge.

“Royal Pains” 9 p.m. USA — Boris calls on Hank again to travel the globe to help Dmitry.

“Guys With Kids” 10 p.m. NBC (new series) — A comedy about three dads in their thirties.

“Here Comes Honey Boo Boo” 10 p.m. TLC — Alana sets up a lemonade stand to raise money for her next pageant.

“Top Chef Masters” 10 p.m. Bravo — The chefs participate in an underground dining event by creating an epic picnic-style meal.

THURSDAY

“America’s Got Talent” 8 p.m. NBC (seventh season finale) — For the first time, a singer will not win this competition. Among the final six: a harpist, a dog act and a performance painter.

“Glee” 9 p.m. Fox (fourth season debut) — Rachel moves to New York City, where she meets an attractive older student.

“Project Runway” 9 p.m. Lifetime — The contestants create their own fabric and receive visits from family. Mondo and Anya return as guest judges.

“The Real Housewives of Miami” 9 p.m. Bravo (second season debut) — The cast gets a makeover.

“Snooki & JWoww” 10 p.m. MTV (first season finale) — The girls swap boyfriends for a night.

“Sullivan & Son” 10 p.m. TBS (first season finale) — TBS has renewed this comedy for a second season.

“Louie” 10:30 p.m. FX — Louie sets off on an unspecified quest.

FRIDAY

“Shark Tank” 8 p.m. ABC (fourth season debut) — Products include a ticketless coat-check system

“The 9th Annual Style Awards” 8 p.m. Style — This show coincides with Fashion Week in New York City.

“Boss” 9 p.m. Starz — Kane’s symptoms spiral out of control.

“Ghost Adventures” 9 p.m. Travel (seventh season debut) — The guys venture to recently closed Central Unit prison in Sugar Land, Texas for ghosts.

“Primetime: What Would You Do?” 9 p.m. ABC (sixth season debut) — The social experiments begin again.

“Say Yes to the Dress: Atlanta” 9 p.m. TLC — A bride’s body art drives a wedge between her mom and mother-in-law.

“The Ultimate Fighter” 9 p.m. FX (16th season debut) — Sixteen would-be MMA welterweights face off.

“Lost Girl” 10 p.m. Syfy (second season finale) — Trick offers up a weapon to Bo.

“Yukon Men” 10 p.m. Discovery — Stan and Joey go goose hunting.

WEEKEND

“Dog Whisperer” 8 p.m. Saturday Nat Geo Wild (series finale) — Cesar Milan moves on after nine seasons.

“Pegasus vs. Chimera” 9 p.m. Saturday Syfy — The magical steed Pegasus faces off against the hellish Chimera.

“Saturday Night Live” 11:29 pm. Saturday NBC (38th season debut) — Seth MacFarlane hosts.

“Behind the Music” 9 p.m. Sunday VH1 (sixth season debut) — Train is featured.

“Boardwalk Empire” 9 p.m. Sunday HBO (third season debut) — Nicky plans to alter his business model.

“Hell on Wheels” 9 p.m. Sunday AMC — Duran must try to keep the railroad from going under.

“Keeping Up With the Kardashians” 10 Sunday E! (seventh season finale) Kourtney’s new baby is coming.

“Leverage” 10 p.m. Sunday TNT (fifth season summer finale) — The team tries to thwart a terrorist plot against D.C.

“Weeds” 10 p.m. Sunday Showtime (series finale) — Natasha Lyonne guests in this hour-long finale.

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