One Tree Hill (8pm, CW) - In the emotional series finale, the 10th anniversary of Tric is celebrated, and some former Tree Hill residents return for the festivities. "One Tree Hill" ran for nine seasons and was filmed in Wilmington. Pictured here, Austin Nichols as Julian and Sophia Bush as Brooke.

Best Friends Forever (8:30pm, NBC) - In the pilot of another throwaway NBC sitcom (see "Bent" below), a woman moves back to Brooklyn and in with her best friend after being served with divorce papers.

Bent (9pm, NBC) - The final two episodes of this great but under-appreciated sitcom air tonight. In the first, Alex fears Pete's slacker ways are resurfacing and Screwsie has Gary pet sit her boss's difficult cat. In the second episode, Alex dreams about Pete while on vacation with Ben, causing her to reexamine her feelings, and Walk gets ready to make his latest theater debut.

Happy Endings (9:30pm, ABC) - For the third week in a row, everything on ABC tonight is a repeat except for this gem, which has its second season finale. The gang attend another wedding and Penny is upset about not having a date, and Brad has a tough time breaking important news to Jane. Also, Max tries to muster the courage to hit the stage with his old all-male Madonna cover band.

CSI (10pm, CBS) - A man is gunned down in a casino at point-blank range and the CSIs shut down the building to find the killer.

One Tree Hill (8pm, CW) - Haley host an annual boat festival while Mouth and Millie alter their morning show.

Bent (9pm, NBC) - Pete believes Ben is cheating on Alex and he wants her to find out about it. Elsewhere Charlie encounters a bully at school so Walt and Screwsie assist her in getting vengeance. A second episode airs at 9:30.

Happy Endings (9:30pm, ABC) - For the second week in a row, all of the ABC comedies are reruns except for "Happy Endings." Tonight, Penny tells a little white lie to get out of reuniting with a pesky childhood friend, and soon the entire gang is caught up in a frenzy of lying, with each untruth larger than the one before. Meanwhile, Max and Dave's landlord takes a liking to Alex.

Monster Man (10pm, Syfy) - Director Tony Randel tasks the team with creating a bio-mechanical pest while an up-and-coming director needs ants with explosive personalities.

Duck Dynasty (10pm, A&E) - The guys attempt to construct a conveyor belt so they can fill their largest order ever. Meanwhile, Phil wants to use dynamite to eliminate a beaver dam. At 10:30, Phil and Si give a graphic presentation at a kids' career-day event.

American Weed (10pm, NGC) - Following the ban of marijuana dispensaries in Fort Collins, the Stanley brothers stay focused on their mission to keep medical marijuana legal for patients in Colorado. Later, Josh finds out that a new federal crackdown could close one of his dispensaries in Denver.

Criminal Minds (9pm, CBS) - The BAU searches for a kidnapper after an emaciated boy is found in an Arizona desert and another boy disappears.

Bent (9pm, NBC) - Here's what NBC does whenever they get a good new comedy: they barely promote it and then burn off the episodes really fast. I hope this isn't what they are doing with "Bent," but it sure feels like it. "Bent" is about a super chill contractor dude (David Walton) who tries to charm a newly divorced, high strung single mom (Amanda Peet) while he and his crew work on her home. Also stars JB Smoove, Jeffrey Tambor, and Jesse Plemons, who played Landry on "Friday Night Lights."  Episodes air at 9 and 9:30. Note: The other two funny NBC sitcoms that never got a decent chance -- "100 Questions" and "Perfect Couples" -- also starred David Walton.

Happy Endings (9:30pm, ABC) - As much as I'm getting behind "Bent," I do not condone skipping "Happy Endings" at 9:30!! Tonight, Dave becomes the target of a bully at his gym, so onetime bully Alex coaches him on how to work out his problems.

Duck Dynasty (10pm, A&E) - In the premiere episode of this new reality show about a Louisiana family who operate a thriving business manufacturing duck-hunting gear, Willie gets fed up with the lax work attitudes of other family members. The male members of the Robertson family look like they stepped straight out of a "Sons of Anarchy" casting call.

Psych (10pm, USA) - Shawn and Gus team up with members of Gus' former a cappella group to investigate the shooting of a prominent leader of an at-risk youth group.

One Tree Hill (8pm, CW) - Brooke and Julian prioritize their family's safety, while Chase pays a price for sticking up for Chuck.

American Idol (8pm, Fox) - Season 11's finalists perform.

Happy Endings (9:30pm, ABC) - All the other ABC sitcoms are repeats tonight, but don't forget about "Happy Endings!" Tonight, Alex and Jane try to convince Dave that he's wrong about an event that may have occurred, and Penny and Max (right) go all out to beat an irritatingly perfect couple in an annual run and scavenger hunt.

Revenge for Real (10pm, ABC) - A series about real life stories of vengeance begins with the 2001 murder of millionaire Ted Ammon in his East Hampton mansion. Cynthia McFadden talks to his convicted killer.

Psych (10pm, USA) - Lassiter hires Shawn and Gus to get to the bottom of strange occurrences at his new condo.

Million Dollar Listing: New York (10pm, Bravo) - "Million Dollar Listing" moves from Hollywood to New York in this Bravo spinoff following three aggressive real estate agents in the Big Apple.

America's Next Top Model: British Invasion (9pm, CW) - The 18th season begins with seven American models competing against seven British hopefuls who were previously featured on "Britain's Next Top Model."

Criminal Minds (9pm, CBS) - The team investigates when prostitutes are murdered in Atlanta and their probe reveals the killer isn't working alone.

Happy Endings (9:30pm, ABC) - Dave's "Steak Me Home Tonight" food truck becomes the trendy hot spot in town thanks to its new liquor license, but Dave (Zachary Knighton) is upset because his friends have stopped coming around. He thinks they are jealous of his newfound fame, but it's really because his signature drink induces erotic dreams in which he's the star. Colin Hanks (left, with Knighton) appears as himself.

Revenge (10pm, ABC) - In the wake of the engagement party murder, Emily gets nervous while the Graysons band together. Also, Amanda's disappearance causes much speculation.

Face Off (10pm, Syfy) - The artists must modify an ordinary occupation into a character worthy of a Tim Burton movie, and three contestants face elimination. Guest judge is Catherine O'Hara. Meanwhile, "Beetlejuice" is airing at the same time on Encore.

Top Chef: Texas (10pm, Bravo) - A winner is named in the season finale.

Nature: Ocean Giants (8pm, UNC-TV) - A three-hour special on the underwater world of whales and dolphins. Included, the human-like qualities of the animals and their reliance on sound underwater.

American Idol (8pm, Fox) - Contestants have one last chance to win over the judges before the first group of semifinalists are revealed.

Raising Renee (8pm, HBO) - NCCU professor Beverly McIver tells her story of caring for her mentally disabled sister. Adrienne's review.

Modern Family (9pm, ABC) - Gloria learns a secret that Claire has been hiding, and one of Jay's proudest golf moments is ruined by Mitchell.

Happy Endings (9:30pm, ABC) - The end of winter signals  "Spring Smackdown," when Jane (Eliza Coupe, right) and Brad (Damon Wayans Jr., right) have their annual domestic dispute.

Royal Pains (10pm, USA) - Hank struggles to accept Jack's illness in the Season 3 finale, and Evan joins Boris' cousin to look into an experimental treatment.

American Weed (10pm, National Geographic Channel) - A new short series that takes an in-depth look at Colorado's medical marijuana industry. Tonight's episode profiles Fort Collins dispensary owners who face the possibility of having their businesses shut down should voters approve Proposition 300.

CSI (10pm, CBS) - The CSIs investigate when a house is stolen from its foundation. Also, Julie displays her skills in blood analysis.

Note: No new "Revenge" tonight.

Survivor: One World (8pm, CBS) - The 24th edition of "Survivor" will have two tribes (men versus women) but living together in a single camp on a Samoan beach.

Oprah's Oscar Special (9pm, OWN) - Oprah interviews 2012 Oscar nominees Viola Davis and Octavia Spencer from "The Help" and Jonah Hill from "Moneyball."

Happy Endings (9:30pm, ABC) - Max's new boyfriend (James Wolk) is a hit with everyone, except for Dave, who sets out to prove he is equally cool. Meanwhile, Max worries he's not good enough for his "perfect" guy.

CSI (10pm, CBS) - Elizabeth Shue (left with George Eads) joins the cast as Russell's former colleague, who helps him investigate the death of a man's ex-girlfriend.

Revenge (10pm, ABC) - People close to Emily are in jeopardy when unexpected turmoil breaks out at her engagement party. Meanwhile, Jack searches for Amanda.

Royal Pains (10pm, USA) -  Jack's illness finally takes a toll on him, and Hank offers his support during the tough time. Elsewhere, Boris' cousin asks Evan for help repairing her relationship with Boris and Evan tries to help Divya fix a financial problem.

American Idol (8pm, Fox) - Season 11 opens with auditions in Savannha, Georgia. Auditions will go on for quite awhile, with episodes airing on Wednesday and Thursday nights.

Nova: 3D Spies of WWII (9pm, UNC-TV) - A WWII Allied initiative to locate Nazi rocket bases is recalled. The program brought together experts from British universities and Hollywood to study 3-D stereoscopic photos of German territory that had been shot specially by Spitfires.

Happy Endings (9:30pm, ABC) - Penny decides to stop adapting her lifestyle to the guys she dates and elects to change them to be more like her. Her first attempt is with a thirty-something slacker who still acts like a teenager. Also, Max and Alex try to get Dave to stop wearing v-neck t-shirts.

Law & Order: SVU (10pm, NBC) - A private military contractor CEO is sexually assaulted following a run-in with protesters, and as the case is investigated, links are made to a conspiracy in Iraq. Harry Connick Jr. (right) begins a guest arc playing Executive ADA David Haden, who is also Olivia's boyfriend.

Inside Nature's Giants (10pm, UNC-TV) - The first installment of a new four-part PBS series looks at the sperm whale. That's right, the show dissects -- as in, performs an autopsy on -- a 45-foot sperm whale. Future episodes will study the monster python, the great white shark, and big cats.

Revenge (10pm, ABC) - Daniel proposes to Emily and Nolan convinces Emily not to act hastily. Meanwhile, Charlotte is upset when she learns she must return to living under Victoria's roof.

Top Chef: Texas (10pm, Bravo) - The chefs create a gothic dish fit for a queen, but the plate must embody the essence of evil. Whatever that means. Guest judge is Charlize Theron.

One Tree Hill (8pm, CW) - The ninth and final season opens with Brooke adapting to family life with Julian and her new brood, and Clay and Quinn facing a puzzling complication.

Are You There, Chelsea? (8:30pm, NBC) - The premiere of a confusing new series about a sassy young bar worker, Chelsea Newman, and her group of twentysomething pals. The book is inspired by Chelsea Handler's book, "Are You There, Vodka? It's Me, Chelsea," but the Chelsea character is played by Laura Prepon. Adding to the confusion, Chelsea Handler, wearing a brunette wig, plays Chelsea's sister. So it's a show about Chelsea Handler starring Chelsea Handler, but Chelsea doesn't play Chelsea. Got it? Also, don't expect much.

People's Choice Awards (9pm, CBS) - Kaley Cuoco hosts this awards show, which recognizes fan favorites in movies, TV and music. Faith Hill and Demi Lovato perform.

Nova: Bombing Hitler's Dams (9pm, UNC-TV) - The story of a 1943 raid that employed a revolutionary bouncing bomb to destroy its targets: two gigantic dams in Germany's industrial heartland.

I Cloned My Pet (9pm, TLC) - A look at the social, scientific and financial ramifications of pet cloning. Okay, I understand the impulse, people. But just look at the over-crowded shelters!

Happy Endings (9:30pm, ABC) - Dave's father (Michael McKean) visits and brings along his new girlfriend (Megan Mullally), who just happens to be Penny's mother. Penny is happy for her mom but Dave is less than thrilled. Also, Alex buys a chatty, potty-mouthed parrot to keep her company at the story, and then suspects the Chinese restaurant next door to be a front for a brothel.

Face Off (10pm, Syfy) - Fourteen aspiring makeup artists face off the Season 2 premiere, which has them re-imagining characters from "The Wonderful Wizard of Oz."

Nova: Deadliest Volcanos (9pm, UNC-TV) - The season premiere looks at the work of scientists who are studying active volcanoes in an attempt to learn how likely they are to erupt, when eruptions might happen, and how deadly they could be.

Not My Mama's Meals (9pm, Cooking) - Bobby Deen (son of Paula) prepares more healthful versions of his mother's decadent recipes. In the opener, Bobby makes a fresh fruit-bread pudding and a frozen chocolate pie.

Modern Family (9pm, ABC) - Manny's dad (Benjamin Bratt) pays another surprise visit, this time to take his son to the racetrack as a belated birthday present. Meanwhile, Phil starts to get his affairs in order after a doctor's appointment coincides with the end of his lifetime supply of razors.

Happy Endings (9:30pm, ABC) - Dave has a tough time wrapping his head around the fact that Penny is dating his psychiatrist, and Jane and Max get into a competition testing their vanity when they see who can go the longest wearing an unflattering outfit.

Revenge (10pm, ABC) - A party crasher causes havoc at Daniel's small birthday gathering, and Conrad and Victoria use Charlotte as they delve deeper into their bitter divorce.