Premiere and season premiere dates

Sept. 21
CW: “In Harm’s Way,” “Valentine,” “Easy Money”

Sept. 22
NBC: “Heroes”
CBS: “The Big Bang Theory,” “How I Met Your Mother,” “Two and a Half Men,” “Worst Week,” “CSI: Miami”
ABC: “Dancing With the Stars,” “Boston Legal”

Sept. 23
NBC: “Law & Order: SVU”
CBS: “NCIS,” “The Mentalist,” “Without a Trace”
ABC: “Opportunity Knocks”

Sept. 24
NBC: “Knight Rider,” “Lipstick Jungle”
CBS: “The New Adventures of Old Christine,” “Gary Unmarried,” “Criminal Minds,” “CSI: NY”

Sept. 25
NBC: “My Name Is Earl,” “The Office,” “ER”
CBS: “Survivor”
ABC: “Ugly Betty,” “Grey’s Anatomy”

Sept. 28
CBS: “60 Minutes,” “The Amazing Race,” “Cold Case,” “The Unit”
ABC: “Extreme Makeover: Home Edition,” “Desperate Housewives,” “Brothers & Sisters”
Fox: “The Simpsons,” “King of the Hill,” “Family Guy,” American Dad”

Sept. 29
NBC: “Chuck,” “Life” (preview)

Oct. 1
ABC: “Pushing Daisies,” “Private Practice,” “Dirty Sexy Money”

Oct. 3
CBS: “Ghost Whisperer,” “The Ex List,” “Numb3rs”
ABC: “Wife Swap,” “Supernanny”

Oct. 5
ABC: “America’s Funniest Home Videos”

Oct. 6
ABC: “Samantha Who”

Oct. 9
NBC: “Kath & Kim”
CBS: “CSI,” “Eleventh Hour”
ABC: “Life on Mars”

Oct. 13
NBC: “My Own Worst Enemy”

Oct. 14
ABC: “Eli Stone”

Oct. 17
NBC: “Crusoe”

Oct. 22
CW: “Stylista”

Oct. 30
NBC: “30 Rock” Midseason:
Fox: “24,” “American Idol,” “Hell’s Kitchen.”
ABC: “Lost,” “According to Jim,” “Scrubs” (moved from NBC), “The Bachelor.”
CBS: “Rules of Engagement.”
CW: “Reaper.”
NBC: “Law & Order,” “Friday Night Lights” (after a run on DirecTV), “Medium.”