NBC completes the quinfecta (is there such a word?) as all five broadcast networks have now announced their fall 2011 premiere dates.

The network is introducing six new series. Up All Night and Free Agents launch before Nielsen's official season start (the week of Sept. 19), while Grimm won't arrive until late October.

Here's NBC's rollout, all times ET:

THURSDAY, Sept. 8
8:30-11 p.m. - Sunday Night Football

SUNDAY, Sept. 11
7-8 p.m. - Football Night in America
8-11:30 p.m. - Sunday Night Football (time slot premiere)

TUESDAY, Sept. 13
10-11 p.m. - Parenthood

WEDNESDAY, Sept. 14
10-10:30 p.m. - Up All Night
10:30-11 p.m. - Free Agents

MONDAY, Sept. 19
8-10 p.m. - The Sing-Off
10-11 p.m. - The Playboy Club

TUESDAY, Sept. 20
8-10 p.m. - The Biggest Loser

WEDNESDAY, Sept. 21
8-8:30 p.m. - Up All Night (time slot premiere)
8:30-9 p.m. - Free Agents (time slot premiere)
9-10 p.m. - Harry's Law
10-11 p.m. - Law & Order: Special Victims Unit

THURSDAY, Sept. 22
8-8:30 p.m. - Community
8:30-9 p.m. - Parks and Recreation
9-9:30 p.m. - The Office
9:30-10 p.m. - Whitney
10-11 p.m. - Prime Suspect

FRIDAY, Sept. 23
9-11 p.m. - Dateline NBC

SATURDAY, Sept. 24
8-9 p.m. - Harry's Law (repeat)
9-10 p.m. - Prime Suspect (repeat)
10-11 p.m. - Law & Order: Special Victims Unit (repeat)

FRIDAY, Oct. 21
8-9 p.m. - Chuck
9-10 p.m. - Grimm
10-11 p.m. - Dateline NBC