Julie Bowen and Sofia Vergara. (ABC)

Brian Unger covers a lot of territory in the new History Channel series ab out the 50 US states. (
)

Mike (Billy Gardell) “teaches” a late-in-life student. (WARNER BROS.)

FOR TV WEEK – DO NOT PURGE – “Last Shot”–Alicia Florrick (Julianna Margulies) presents her case in the trial of ballistics expert Kurt McVeigh, Diane’s on and off-again love interest, who is being sued for testimony that he gave in a murder trial of an accused cop killer who was recently exonerated, while Judge Felix Afterman (Jerry Stiller) dozes off during her testimony, on THE GOOD WIFE, Tuesday, Feb. 22 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: David M. Russell/CBS ©2011 CBS Broadcasting Inc. All Rights Reserved. (CBS)

Gay’s ‘anatomy’

AS Callie (Sara Ramirez) and Arizona’s (Jessica Capshaw) wedding approaches, the gals quickly realize that the day they’ve been looking forward to is not turning out the way they’d envisioned. Meanwhile Alex (Justin Chambers) continues to make the other residents jealous as he appears to be the top contender for Chief Resident, Meredith (Ellen Pompeo) and Derek (Patrick Dempsey) make a decision that will change their lives forever. Like quit this crazy show?

* Grey’s Anatomy

Thursday, 9 p.m., ABC

Mom’s day

CLAIRE (Julie Bowen) and Gloria (Sofia Vergara) spend Mother’s Day outdoors, hiking with their kids. Their bickering and complaining drives Claire to the edge and she brings Gloria right down with her. While the women bemoan their lot in life, their thoughtful husbands, Phil (Ty Burell) and Jay (Ed O’Neill), stay home to cook a nice dinner for everyone, but things get awkward when Phil witnesses an unexpected moment of weakness from Jay, and Cameron (Eric Stonestreet) gets very self-conscious about being seen as the “mother” in his relationship with his partner, Mitchell (Jesse Tyler Ferguson). With Rico Rodriguez and Ariel Winter.

* MODERN FAMILY

Wednesday, 9 p.m., ABC

High school shame

WHEN Joyce (Swoosie Kurtz) invites Vince (Louis Mustillo) to attend her high school reunion, Vince confesses to Mike (Billy Gardell) that he never graduated high school, and cajoles Mike to help him study for his GED. With Reno Wilson, Rondi Reed and Katy Mixon.

* MIKE & MOLLY

Monday, 9:30 p.m., CBS

Puzzle of America

THE map of the US is a jigsaw puzzle. The reason for our jagged geography? American history. For example, California bends around the coast to keep control of valuable gold deposits. A meteor helped shape Kentucky and Tennessee. It is weren’t for the Civil War, Las Vegas could have ended up in Arizona, not Nevada. Originally, the Florida boundary reached as far north as Savannah and as far west as the Mississippi. Brian Unger is the host of “How States Got Their Shapes.”

* HOW THE STATES GOT THEIR SHAPES

Tuesday, 10 p.m., History

Rich girls cat fight

WAR breaks out between Serena (Blake Lively) and Blair (Leighton Meester). The blonde wants to foil the brunette by dredging up the stinking mud of her past. Who could possibly be so mean? Meanwhile, Charlie befriends Vanessa (Jessica Szohr), who may or may not have a hidden agenda. And what’s up with Nate (Chace Crawford)? He’s torn between his relationship with Raina and a truth he must keep hidden out of loyalty to Chuck (Ed Westwick).

* GOSSIP GIRL

Monday, 9 p.m., CW

Bitter betrayal

LOCKHART/GARDNER defends a patient in a liver transplant case against rival attorney Patti Nyholm (Martha Plimpton of “Raising Hope”); however, the case takes a turn when Patti is fired from her law firm and asks Lockhart/Gardner to represent her. Meanwhile, Alicia (Julianna Margulies) deals with emotional fallout from her husband’s one-night stand with her colleague, Kalinda (Archie Panjabi).

* THE GOOD WIFE

Tuesday, 10 p.m., CBS