NBC has released its fall premiere schedule. The network will kick things off Sept. 14 with “The Jay Leno Show,” as previously announced.

“The Biggest Loser” will return Tue., Sept. 15 with a two-hour installment. That week will also mark the premieres of the network’s new Thursday night comedy lineup with “Saturday Night Live Weekend Update” kicking things off at 8 p.m., followed by “Parks and Recreation” at 8:30 p.m., “The Office” at 9 p.m. and “Community” at 9:30 p.m. NBC is holding “30 Rock” till Oct. 15 in an effort to drive some viewers to “Community.”

“Heroes” will return Sept. 21, with the new show “Parenthood” launching Sept. 23, and “Law & Order” and “Southland” returning Fridays starting Sept. 25.

“Saturday Night Live” will premiere Sept. 26.

NBC’s full premiere lineup is below.

SUN., SEPT. 13
• 7 p.m. “Football Night in America”
• 8:15 p.m. “NBC Sunday Night Football”

MON., SEPT. 14
• 10 p.m. “The Jay Leno Show” (series premiere)

TUE., SEPT. 15
• 8 p.m. “The Biggest Loser”
• 10 p.m. “The Jay Leno Show”

THU., SEPT. 17
• 8 p.m. “Saturday Night Live Weekend Update Thursday”
• 8:30 “Parks and Recreation”
• 9 p.m. “The Office”
• 9:30 p.m. “Community” (series premiere – moves to 8 p.m. Thursdays on Oct. 8; “30 Rock” returns Oct. 15 at 9:30 p.m.)
• 10 p.m. “The Jay Leno Show”

MON., SEPT. 21
• 8 p.m. “Heroes” (two-hour premiere, then “Trauma” premieres at 9 p.m. Mon., Sept. 28)
• 10 p.m. “The Jay Leno Show”

WED., SEPT. 23
• 8 p.m. “Parenthood” (series premiere)
• 9 p.m. “Law & Order: Special Victims Unit”
• 10 p.m. “The Jay Leno Show”

FRI., SEPT. 25
• 8 p.m. “Law & Order”
• 9 p.m. “Southland”
• 10 p.m. “The Jay Leno Show”

SAT., SEPT. 26
• 8 p.m. “Dateline NBC”
• 9 p.m. “Trauma” (encore broadcast)
• 10 p.m. “Law & Order: Special Victims Unit” (encore broadcast)
• 11:30 p.m. “Saturday Night Live”