The First Lady has been on a lot of TV shows lately. The most unusual appearance may be tonight’s on “Restaurant: Impossible” (Food Network, 10 p.m..) in which Michelle Obama coerces Rovert Irvine to upgrade a local nonprofit kitchen, Horton’s Kids in Anacostia.

Before Olympic fever takes over, there’s a look back at the basketball “Dream Team” (NBA, 9 p.m.) from Barcelona 20 years ago featuring Magic Johnson, Michael Jordan, Charles Barkley, Larry Bird and Scottie Pippen.

Anybody still watching “Duets” (ABC, 9:30 p.m.)? Tonight they’ll celebrate any remaining viewers by singing party songs.

As the final roommate comes to the reunion that is “White Heat” (BBC America, 10 p.m.), it will become clear in the finale who had died.

They’ll be dancing to the music of Katy Perry on the seventh season finale of “Randy Jackson Presents America’s Best Dance Crew” (MTV, 10 p.m.) and Ms. Perry will also be on hand as the winner is chosen from between two badly spelled final teams,  Elektrolytes and 8 Flavahz.

In the second and final installment of “Thorne” (Encore, 9 p.m.), titled “Scaredy Cat,” the feature length caper of serial killers working in cahoots features a guest appearance from involves Sandra Oh of “Grey’s Anatomy.”

Before he helps judge those auditioning for “So You Think You Can Dance” (Fox, 8 p.m.) in Salt Lake City, there will be time for Adam Shankman to publically apologize for directing the film version of “Rock of Ages.”

In lieu of Game 7 of the Stanley Cup Playoffs, decided in Game 6, the network rustles up some reruns: “Betty White’s Off Their Rockers” (NBC, 8 p.m.), “Up All Night” (NBC, 8:30 p.m.) and two episodes of “Law & Order: Special Victims Unit” (NBC, 9 and 10 p.m.).

There seem to be a lot of conjoined twins on TV tonight, both in fictional form, in the movie “Stuck On You” (More Max, 9 p.m.) and in documentary,“Conjoined Twins: Separation Anxiety” (Discovery Health, 11 p.m.).

The monthlong Wednesday night showcase on the Immigrant Experience in America on Turner Classic Movies continues with ‘West Side Story” (8 p.m.), “Black Legion” (10:45 p.m.), “And the Pursuit of Happiness” (12:15 a.m.), “It’s a Big Country” (2 a.m.), “His Family Tree” (3:45 a.m.) and “Romance in Manhattan” (5 a.m.).

Daytime Talk

Kelly Ripa: Hugh Grant, Blair Underwood, Jesse Palmer. The View: Meghan McCain, Kori Cioca & Ariana Klay. The Talk: Cast of “Dallas.” Ellen DeGeneres: Randy Jackson, Justin Theroux, Natasha Bedingfield (rerun).

Late Talk

David Letterman: Adam Sandler, Jerry Douglas. Jay Leno: Terry Bradshaw, ernie Brown Jr., Neal James, Rachel Bradshaw. Jimmy Kimmel: Edward Norton, Leighton Meester, Dead Sara (rerun). Jimmy Fallon: Ice-T, Lena Dunham, Norah Jones, Matt “Guitar” Murphy. Craig Ferguson: Ellen Page, Lee Brice. Tavis Smiley: Frank Deford. Carson Daly: Tavis Smiley, Allen Stone, Band of Skulls (rerun). Jon Stewart: Maggie Gyllenhaal. Stephen Colbert: Gregg Allman. Conan O’Brien: Johnny Galecki, Kids These Days. Chelsea Handler: Nelsan Ellis, Bobby Lee, Heather McDonald, Keith Robinson.