The Real Housewives of NJ | 9pm on Bravo

The ladies sit down for a first-season wrap-up with host Andy Cohen in the conclusion of a two-part reunion.

Pushing Daisies | 10pm on ABC

Series Finale: In tonight’s final episode of this brilliant show, a murder at a traveling water circus gives the Darling Mermaid Darlings a chance to come out of retirement.

Top Chef Masters | 10pm on Bravo

Season Premiere: The first four competitors are introduced; the chefs are challenged to whip up a creative and tasty dessert.

40 Greatest Pranks 2 | 9pm on VH1

Clever and funny pranks from TV and the internet, including interviews with the pranksters and the victims.

Law & Order | 10pm on NBC

The murder of a charity executive exposes allegations of stalking and blackmail as Lupo and Bernard seek leads from the victim’s secretary, her ex-boyfriend and a politician’s wife in the 19th-season finale.

The Tonight Show with Conan O’Brien | 11:35pm on NBC

The former ‘Late Night’ host takes the helm of the venerable talk show featuring celebrities and music acts. His first guests will be Will Ferrell and a performance by Pearl Jam.

Expedition: Africa | 10pm on Discovery

An eight-part series follows four explorers in Tanzania as they trace the steps of Henry Morton Stanley in his 19th-century quest to find David Livingstone.

The Tonight Show with Jay Leno | 11:35pm on NBC

In his final episode as host, Jay’s guests included his late night successor Conan O’Brien, and a visit from his very first guest – Billy Crystal. One of Jay’s favorites, James Taylor, will be performing.

Real Housewives on New York City: The Lost Footage | 9pm on Bravo

The dynamic divas from New York City are featured in previously unseen footage from the sudsy series’ second season.

Mean Girls | 8pm on ABC Family

Attending high school for the first time, a teenager becomes friends with three popular but manipulative students. Based on a book by Rosalind Wiseman. Lindsay Lohan, Rachel McAdams, Tina Fey, Tim Meadows, Amy Poehler

Southland | 10pm on NBC

Season Finale: Officers find a dead gang member in the trunk of a car; Detective Bryant asks Lydia to take Janilla in; the rift between Detective Salinger and his daughter grows.

SNL Just Shorts | 9pm on NBC

Host Andy Samberg serves up a pool of short films, faux commercials, animated pieces and digital shorts from the archives of “Saturday Night Live.”

Lost | 9pm on ABC

Season Finale: Jack’s determination to formulate a plan of action is met with resistance from those close to him; Locke assigns Ben a difficult task.

MY BOYS | 10:3pm on TBS

The gang discusses the pros and cons of Facebook; Bobby realizes that P.J. stays in touch with all of her exes.

I Want to Marry Ryan Banks | 9pm on Lifetime

An actor and his manager fall for a beautiful contestant on a reality-television show. Jason Priestley, Bradley Cooper, Emma Caulfield, Mark L. Walberg, Paige Jones