Return dates and times are as follows:
Samantha Who? returns Monday, April 7 (9:30-10:00 p.m., ET) with six original episodes.
Boston Legal returns Tuesday, April 8 (10:00-11:00 p.m., ET) with six original episodes.
Desperate Housewives returns Sunday, April 13 (9:00-10:00 p.m., ET) with five original episodes and a special two-hour finale (seven hours total).
Brothers and Sisters returns Sunday, April 20 (10:00-11:00 p.m., ET) with four original episodes.
Ugly Betty returns Thursday, April 24 (8:00-9:00 p.m., ET) with five original episodes.
Grey's Anatomy returns Thursday, April 24 (9:00-10:00 p.m., ET) with five original episodes.
Lost will move to its new 10:00 p.m. time period on Thursday, April 24, with five weeks of original episodes.