What's On TV Tonight? - 5/3/2013

Credit: IFC

8:00 PM ET

Happy Endings ("Deuce Babylove 2: Electric Babydeuce") - When Penny's mom and Dave's dad decide to adopt a baby together, Dave and Penny react irrationally; Brad and Jane join an exclusive tennis club in hope of gaining some time to themselves. (ABC)

Undercover Boss ("Orkin") - Rollins, Inc., President John Wilson tackles a major cockroach infestation and faces swarming bees when he goes undercover. (CBS)

Fashion Star ("Trending Now-and-Then") - The designers must take a dated trend and transform it into a fresh and current look; some designers struggle with last-minute adjustments. (NBC)

Kitchen Nightmares ("Chappy's") - Gordon travels to Nashville, Tenn., to help the owners of Chappy's turn their restaurant around. (FOX)

Nikita (" High-Value Target") - A mutinous agent guided by Amanda steals the black box from the wreckage of Division; an arms dealer helps Nikita, Alex and Michael stage a daring operation in hope of regaining control of the box. (The CW)

Sons of Guns: Locked and Loaded ("Hangfire") - Will and Joe go to Jordan and leave a SOCOM order behind; Kris goes behind Will's back; Will faces reality. (Discovery)

Four Weddings ("...and a Circus") - Becky's circus-themed wedding includes peanut girls and a BBQ; Tanaya's garden reception is catered by a food truck; Evelyn invites her guests to a space observatory; Carrie has cruise ship nuptials. (TLC)

8:30 PM ET

Happy Endings [SEASON FINALE] ("Brothas and Sisters") - Jane is tasked with planning the perfect wedding for her older sister, Brooke (Stephanie March); Dave and Alex hide a big secret. (ABC)

9:00 PM ET

Da Vinci's Demons ("The Magician") - Bechhi is accused of spying for Rome; Leonardo reveals his latest weapon as the armies of Rome and Florence face off. (Starz)

Shark Tank - Frozen concentrated gumbo brick; a bird feeder that shocks squirrels; artisan coffee subscription business; wooden home and kitchen items; ECreamery update. (ABC)

Vegas ("Unfinished Business") - When Sheriff Lamb looks into the death of a local attorney, retaliation attacks put Katherine in the hospital and leave Lamb without a badge; Lamb finds new details that could reveal the truth about his wife's death. (CBS)

Dateline NBC - A deadly confrontation results from a love triangle involving an attorney and his paralegal. (NBC)

Touch ("Fight or Flight") - After a run-in with an Aster Corps enforcer, Martin and Trevor go undercover to protect the Righteous 36. (FOX)

Great Performances ("The Paul Taylor Dance Company in Paris") - The Paul Taylor Dance Company performs two masterworks: ``Brandenburg,'' first performed in 1988, and the 2008 ballet ``Beloved Renegade,'' set to the music of Francis Poulenc. (PBS)

Sons of Guns ("Will's Monster") - The SOCOM order is still on hold and Will is on edge; Will and Vince have a confrontation. (Discovery)

Say Yes to the Dress: Atlanta ("Team Spirit") - Bride Mallory is torn between trendy and conservative styles; Lorie has recently lost over 100 pounds but struggles to feel comfortable in her own skin. (TLC)

10:00 PM ET

NICK'S PICK: Maron [SERIES PREMIERE] ("Internet Troll") - Marc is tormented by an abusive fan on Twitter. With his podcast guest Dave Foley in tow, Marc decides to teach one internet troll a lesson. (IFC)

20/20 ("True Confessions") - A burglar shares secrets of his trade; a hair stylist discusses outrageous haircut prices and markups on products; a doctor talks about botched surgeries and unnecessary procedures; moms with dark secrets; window washers reveal what they've seen. (ABC)

Blue Bloods ("The Bitter End") - Danny is upset when a woman he promised to help commits suicide; the Reagan family suffers a loss due to a gang. (CBS)

Rock Center With Brian Williams - Stephanie Holten discusses how her ex-husband threatened her life after he was served with an order of protection; Boston bombing victims Celeste and Sydney Corcoran; people in Ecuador determined to save the rainforest; author Jennifer Finney Boylan. (NBC)

Anderson Cooper Special Report ("Sex, Lies, and Audiotape: The Jodi Arias Trial") - Examination into the woman accused of murdering Travis Alexander as the first-degree murder case is set to enter verdict deliberation. (CNN)

Wild West Alaska ("The Zombie Salmon") - The crew readies for the annual salmon-cooking competition and garage sale; a cowboy needs help training his shooting horses. (Discovery)

Real Time With Bill Maher - Journalist Jeremy Scahill; comic Marc Maron; tax-reform advocate Mattie Duppler; veterans' affairs expert Pete Hegseth; journalist Lawrence O'Donnell. (HBO)

XIII ("Gauntlet") - XIII crashes an ultra-exclusive party hosted by a psychotic Russian Oligarch to secure a Tesla letter. (REELZ)

Merlin ("With All My Heart") - Morgana's twisted control over Gwen means Merlin must act fast before it gets out of hand. (Syfy)

I Found the Gown ("Bling, Bows and Lace") - Bride Becca hopes to find a gown that will put her in a bridal mood; Kelly is looking for a dress that stands out; Michaela and her opinionated mom do not see eye to eye. (TLC)

Fashion Police - Guests Katie Lowes and Willa Holland. (E!)

Mystery Diners ("Party Monster") - George's Restaurant in Miami, Fla., has dishonest employees. (Food Network)

10:30 PM ET

I Found the Gown ("Road Trippin' Brides") - A bus-load of brides and their entourages from N.Y. have taken over the shop in the hopes of scoring good deals on designer wedding gowns. (TLC)

11:00 PM ET

VICE ("Winners & Losers") - The stories of young FLDS men who have been thrown out of their homes; parents send their daughters to rural fattening camps in Mauritania; examining wealth and poverty in Mumbai. (HBO)

Zane's the Jump Off ("Red Flag") - Lauren agrees to meet Dmitri at his place but when she arrives she finds Brenda already there; Ernest grows closer to Sabrina. (Cinemax)

LATE NIGHT

The Tonight Show With Jay Leno welcomes Actor Chris Evans; director Kevin Smith; Various Cruelties perform. (11:35 PM, NBC)

Late Show With David Letterman is joined by Actor Nathan Lane; comic Joe Matarese; Kacey Musgraves performs. (11:35 PM, CBS)

Late Night With Jimmy Fallon has Actress Carey Mulligan; actor Alexander Skarsgård; musician John Densmore; Eve performs. (12:35 AM, NBC)

The Late Late Show With Craig Ferguson features Actress Angela Kinsey; comic Simon Amstell. (12:35 AM, CBS)