(ALL TIMES ET)

8PM | FOX
Glee – It’s prom night! Which means the over-the-top competition for prom queen and king comes to a conclusion, Rachel gets a surprise visitor and Principal Figgins asks the glee club to perform at the soiree, despite objections from party pooper Sue.

8PM | CBS
NCIS – The NCIS teams go into overdrive to catch the Port-to-Port Killer when they realize he has infiltrated the agency.

9PM | MTV
16 & Pregnant – Like mother, like daughter? Pregnant teen Danielle hopes not, as she plans to do things differently than her own mother, who also got pregnant as a teen, did.

9PM | OWN
Becoming Chaz – The compelling documentary follows Chaz Bono through his decision to have, and the process of, gender reassignment surgery.

9PM | FOX
Raising Hope – My Name Is Earl alums Ethan Suplee and Jaime Pressly guest star as a neighbor couple whose marriage is in trouble, according to Burt and Virginia, after they hear the couple arguing on Hope’s baby monitor. By the way, if you haven’t seen the always fantastic Suplee lately, prepare to be surprised: he’s looking much slimmer these days.

10PM | FOOD NETWORK
Chopped – Frozen meat and cheese in a can are among the mystery basket ingredients.

10PM | CBS
The Good Wife – Kalinda considers leaving the firm after Alicia has it out with her regarding the affair with Peter. Meanwhile, the firm defends the owner of an adultery Web site, who’s the prime suspect in the murder of one of the Website’s customers.

10PM | NBC
The Voice – Love, love, love this show! In the first week of head-to-head battles, the coaches pit two of their own team members against each other in a duet sing-off, with one of the voices being sent home.

10:30PM | COMEDY CENTRAL
Sports Show With Norm McDonald – Norm chats about sports gambling, including a bet he placed on Manny Pacquiao.

Worth flipping to during commercials:
– On The Biggest Loser (8PM, NBC), the contestants play a Biggest Loser videogame and compete in a stair climbing challenge while weighted down with sandbags;
– A Los Angeles restaurant in a double decker bus is featured on Eat Street (8PM, Cooking Channel);
– Daffy worms his way into an exclusive club on The Looney Tunes Show (8PM, Cartoon Network);
– The women had to Puerto Rico for a vacay on One Tree Hill (8PM, The CW);
– Another one bites the dust on the Dancing With the Stars (9PM, ABC) results show, which includes performances by Adele and Michael Bolton;
– The death of a Navy SEAL imposter leads the NCIS: Los Angeles (9PM, CBS) team to MIA bomb canisters;
– The guys (try to) plan their annual getaway on Traffic Light (9:30PM, Fox);
– On Fabulous Beekman Boys (10PM, Planet Green), Brent plans a Victorian festival to attract customers to the village during the long winter;
– How the States Got Their Shapes (10PM, History) explores how transportation factored into how the states got their shapes;
– Worst.Prom.Ever. is MTV’s original movie comedy about three seniors who decide to have some anti-prom fun after getting dumped by their prom dates right before the big night (10PM, MTV).

And the late-night line-up:
– Conan (11PM, TBS): Zach Braff and Judd Apatow;
– The Daily Show with Jon Stewart (11PM, Comedy Central): Will Ferrell;
– The Colbert Report (11:30PM, Comedy Central): Geoffrey Rush;
– The Late Show with David Letterman (11:35PM, CBS): Mark Harmon;
– The Tonight Show with Jay Leno (11:35PM, NBC): Def Leppard and Ginnifer Goodwin;
– Lopez Tonight (Midnight, TBS): Chris Hemsworth and Ice Cube;
– Jimmy Kimmel Live (12:05AM, ABC): Nathan Fillion;
– Late Night with Jimmy Fallon (12:35AM, NBC): Keira Knightley, Chris Cornell and John McEnroe;
– The Late Late Show with Craig Ferguson (12:37AM, CBS): Kenneth Branagh;
– Last Call with Carson Daly (1:35AM, NBC): Frenchie Davis.