TONIGHT'S MUST-SEE

"Big Bang Theory" return, 7 p.m., CBS. At last, here's the first episode written and shot after the writers' strike was settled. "Big Bang" is the perfect place to get restarted. It has sharply developed the relationship between two brilliant young physicists and the beautiful waitress next door. Tonight, the guys squabble as a conference nears. Their neighbor tries to mediate.

"Dancing With the Stars" return, 7 p.m., ABC. We meet the six guys tonight, with the women tomorrow. Mostly, the guys are young and fit. Football star Jason Taylor is there, plus rapper Mario, actors Cristian de la Fuente and Steven Guttenberg, radio/cable personality Adam Carolla and massive magician Penn Jillette.

OF NOTE

"Canterbury's Law," 7 p.m., Fox. Pruitt Taylor Vince, a superb Emmy-winner, plays the defendant. He claims that bodies tell him where to find them.

"How I Met Your Mother," 7:30 p.m., CBS. Here's another post-strike comedy. On St. Patrick's Day, Ted wants to copy Barney's carefree manner.

"Two and a Half Men," 8 p.m., CBS. One more post-strike episode: Charlie tries to tell Alan how to break up.

"New Amsterdam," 8 p.m., Fox. Two brutal attacks leave John, who has lived for centuries, recalling an 1800s case.

"In Treatment," 6:30 p.m., HBO. Set at a funeral, this episode is brief, subdued and quietly moving.

"The Bachelor," 8:32 p.m., ABC. There's a younger bachelor (Matt Grant, 27, a British financier), with the 25 women ranging from 22 to 33.

"High School Confidential," 9 p.m., WE. This well-made documentary episode follows four years in the life of a cheerleader and soccer player. She deals with an injury, a mistake and a family crisis.