What TV shows will you be watching tonight, Friday, May 17, 2013? Here is the list for your complete TV guide. Happy watching! Note: All times are EST.

Undercover-Boss8:00 PM

Nikita [SEASON FINALE] (“Til Death Do Us Part”) – Amanda’s final plan forces Nikita into a dangerous situation where she must choose between saving Michael or herself. (The CW)

Shark Tank – Two women pitch their military-inspired jewelry line; traditional British scone; custom furniture; door-to-door luggage pickup service; update on the Scrub Daddy cleaning tool. (ABC)

Undercover Boss [SEASON FINALE] (“Undercover Boss: Epic Bosses”) – Intriguing bosses from past episodes discuss how the show impacted their lives. (CBS)

Dateline NBC – Chris Hansen reveals the hidden world of the Internet; a newlywed father-to-be dies in a fall from his 25th floor apartment. (NBC)

9:00 PM

Shark Tank [SEASON FINALE] – An app that provides international travelers with access to live translators; all-natural dog treats; a dating website designed to attract quality singles; gourmet grilled cheese and tomato sandwiches; Dr. Heinz Doofenshmirtz (“Phineas and Ferb”). (ABC)

Da Vinci’s Demons (“The Devil”) – The Turk’s clue regarding the Book of Leaves leads Leonardo to Wallachia, where he meets Vlad Dracula; Lorenzo and Piero encounter the Duke of Urbino; the hunt for the true spy continues. (Starz)

Great Performances at the Met (“Rigoletto”) – Director Michael Mayer makes his Metropolitan Opera debut with Verdi’s “Rigoletto,” a new production that moves the setting of the story to the Las Vegas strip circa 1960. (PBS)

Sons of Guns (“Cutbacks”) – Money is tight and cutting down on OT causes tempers to flare; Steph brings in the Olympic shooting team. (Discovery)

Say Yes to the Dress: Atlanta (“The Family Feud”) – Bride Cindy brings her fiance and their four kids to her appointment; Cheyna’s biker dad envisions her in a certain gown which is proving hard to find. (TLC)

10:00 PM

20/20 (“Work Wars”) – People who quit their jobs in outrageous ways and captured it all on video; Kevin O’Leary of “Shark Tank” talks about how to deal with an aggressive boss; a black market of stolen office supplies; secret career killers. (ABC)

48 Hours – Investigative news magazine covers important issues in America. (CBS)

Rock Center With Brian Williams – Domestic violence deaths in Dallas; comic Zach Galifianakis; Boston bombing victim Marc Fucarile; news from the week. (NBC)

Anderson Cooper Special Report (“Back to Boston: Moments of Impact”) – An examination of photos taken during the bombing at the Boston Marathon; interviews with photographers. (CNN)

Fashion Police – Guest Lily Aldridge. (E!)

Mystery Diners (“All In The Family”) – The owner of R&O’s Restaurant in New Orleans, is fed up with the lack of respect. (Food)

Real Time With Bill Maher – President of the Council on Foreign Relations Richard Haass; actor Zach Galifianakis; author S.E. Cupp; filmmaker Michael Moore; journalist Andrew Ross Sorkin. (HBO)

Maron (“Marc’s Dad”) – Marc’s estranged dad, Larry, reappears with an RV and a fool proof plan to get rich. Power struggles ensue, both literally and figuratively. (IFC)

XIII (“Mousetrap”) – Betty is abducted and delivered to her father and his cronies; aboard a ship sailing to China, XIII searches for the final letter. (REELZ)

Merlin (“The Drawing of the Dark”) – Mordred finds himself torn between loyalty and love. (Syfy)

I Found the Gown (“May the Best Dress Win”) – Jemetria’s entourage turns the hunt for a gown into a competition; Carol is searching for a dress to celebrate her 50th wedding anniversary in; a new consultamt pulls a dress out for Kate that goes against her vision. (TLC)

10:30 PM

I Found the Gown (“Too Much Is Never Enough”) – A N.Y. bride hopes to purchase two gowns for her wedding day; a Colorado bride travels cross-country for a deal; a Boston bride must decide between a simple dress or a more flashy one. (TLC)

11:00 PM

Zane’s the Jump Off (“Backfield In Motion”) – The search is on for a suicidal Earnest; Dmitri tries to end his affair with Brenda; Aspen receives shocking photos in the mail. (Cinemax)

VICE (“Addiction”) – A clinic in Malang promises cures for ailments through tobacco and smoking; a heroin addict travels to Mexico to obtain a controversial treatment. (HBO)

The Moment (“Choreographer”) – A woman wants to work as the touring choreographer for IM5. (USA)

LATE NIGHT SHOWS

The Tonight Show With Jay Leno welcomes Former presidential candidate Mitt Romney; the winner of “American Idol” performs. (11:35 PM, NBC)

Late Show With David Letterman is joined by Actor Will Arnett; comic Trevor Noah; Kurt Vile performs. (11:35 PM, CBS)

Jimmy Kimmel Live has Musician Adam Levine; actress Alice Eve; Bad Rabbits perform. (11:35 PM, ABC)

Late Night With Jimmy Fallon features Actress Zoe Saldana; actor Chris O’Dowd; De La Soul performs. (12:35 AM, NBC)

The Late Late Show With Craig Ferguson welcomes Actor William Shatner; actress Natalie Dormer. (12:35 AM, CBS)

Last Call With Carson Daly has Astronaut Buzz Aldrin; Big Black Delta performs. (1:35 AM, NBC)