Updated with details for the week of May 18 from Broadcasting & Cable.
Although many announcements will likely happen prior to these dates, the network upfront events are the last date on which each networks fall schedules might be revealed. So, you'll know no later than that day about your favorite shows.
2009 Network Upfronts Event Calendar
MARCH
March 12 Nickelodeon New York
March 16 Sci Fi Channel New York
March 24 Hallmark Channel New York
March 25 Scripps Networks Boston
March 25 Cartoon Network New York
March 26 Discovery Communications Chicago
March 31 Scripps Networks Detroit
March 31 USA Networks New York
APRIL
April 2 Discovery Communications New York
April 2 Scripps Networks Chicago
April 3 Bloomberg Television New York
April 7 ABC Family New York
April 7 USA Networks Los Angeles
April 14 Bravo New York
April 14 BET Network Los Angeles
April 14 Scripps Networks Minneapolis
April 14 MTV Chicago
April 15 Discovery Communications Los Angeles
April 15 Oxygen New York
April 16 Scripps Networks Los Angeles
April 16 BET Network Chicago
April 16 MTV New York
April 17 MTV New York
April 21 Scripps Networks New York
April 23 Microsoft/MSNBC.com/MSN New York
April 23 BET Network New York
April 26 National Geographic New York
April 28 Bloomberg Television New York
MAY
May 4 Scripps Network Atlanta
May 4 NBC New York
May 14 AETN New York
May 18
Fox
11:30 a.m. ET -- Conference Call
4:00 p.m. ET -- Upfront Presentation, New York City Center, NYC
May 19
ABC
8:00 a.m. ET -- Press Conference, ABC Headquarters, NYC
3:00 p.m. ET -- Upfront Presentation, ABC Headquarters, NYC
ESPN
8:30 a.m. ET -- Upfront Breakfast, NYC
Fox Sports En Espanol
12:00 p.m. ET -- Upfront Lunch, NYC
NBC
7:00 p.m. ET -- NBC Comedy Showcase, The Town Hall, NYC.
May 20
CBS
8:30 a.m. ET -- Press Breakfast, Black Rock, NYC
4:00 p.m. ET -- Upfront Presentation, NYC
Turner
12:00 p.m. ET -- Upfront Presentation, Hammerstein Ballroom, NYC
9:00 p.m. ET -- Adult Swim Upfront Presentation, Nokia Theater, NYC
May 21
The CW
11:00 a.m. ET -- Upfront Presentation, WaMu Theater/MSG, NYC
