The Chicago Cubs have released their 2012 television schedule, according to Carrie Muskat. I count 62 games on WGN, 10 on FOX, and 2 on ESPN (times are Central, and all of this could change):
Thu 4/5 vs. Washington, 1:20 PM, WGN
Sat 4/7 vs. Washington, 12:05 PM, Comcast Sports Net (CSN)
Sun 4/8 vs. Washington, 1:20 PM, WGN
Mon 4/9 vs. Milwaukee, 7:05 PM, WCIU
Tue 4/10 vs. Milwaukee, 7:05 PM, CSN
Wed 4/11 vs. Milwaukee, 1:20 PM, WGN
Thu 4/12 vs. Milwaukee, 1:20 PM, CSN
Fri 4/13 @ St. Louis, 2:15 PM, WGN
Sat 4/14 @ St. Louis, 12:05 PM, FOX
Sun 4/15 @ St. Louis, 1:15 PM, CSN
Tue 4/17 @ Miami, 6:10 PM, CSN
Wed 4/18 @ Miami, 6:10 PM, WGN
Thu 4/19 @ Miami, 11:40 AM, WGN
Fri 4/20 vs. Cincinnati, 1:20 PM, CSN
Sat 4/21 vs. Cincinnati 12:05 PM WGN
Sun 4/22 vs. Cincinnati 1:20 PM WGN
Mon 4/23 vs. St. Louis 7:05 PM CSN
Tue 4/24 vs. St. Louis 7:05 PM CSN
Wed 4/25 vs. St. Louis 1:20 PM WGN
Fri 4/27 @ Philadelphia 6:05 PM CSN
Sat 4/28 @ Philadelphia 6:05 PM WGN
Sun 4/29 @ Philadelphia 12:35 PM WGN
Mon 4/30 @ Philadelphia 6:05 PM CSN
Tue 5/1 @ Cincinnati 6:10 PM CSN
Wed 5/2 @ Cincinnati 6:10 PM WGN
Thur 5/3 @ Cincinnati 11:35 AM CSN
Fri 5/4 vs. LA Dodgers 1:20 PM CSN
Sat 5/5 vs. LA Dodgers 12:05 PM CSN
Sun 5/6 vs. LA Dodgers 1:20 PM WGN
Mon 5/7 vs. Atlanta 7:05 PM WCIU
Tue 5/8 vs. Atlanta 7:05 PM WGN
Wed 5/9 vs. Atlanta 1:20 PM CSN
Fri 5/11 @ Milwaukee 7:10 PM WGN
Sat 5/12 @ Milwaukee 12:05 PM FOX
Sun 5/13 @ Milwaukee 1:10 PM WGN
Mon 5/14 @ St. Louis 7:15 PM WCIU
Tue 5/15 @ St. Louis 12:45 PM CSN
Wed 5/16 vs. Philadelphia 7:05 PM CSN
Thur 5/17 vs. Philadelphia 7:05 PM WGN
Fri 5/18 vs. White Sox 1:20 PM WGN
Sat 5/19 vs. White Sox 6:15 PM FOX
Sun 5/20 vs. White Sox 1:20 PM CSN
Mon 5/21 @ Houston 7:05 PM CSN
Tue 5/22 @ Houston 7:05 PM CSN
Wed 5/23 @ Houston 7:05 PM WGN
Fri 5/25 @ Pittsburgh 6:05 PM CSN+
Sat 5/26 @ Pittsburgh 6:15 PM FOX
Sun 5/27 @ Pittsburgh 12:35 PM WGN
Mon 5/28 vs. San Diego 1:20 PM WGN
Tue 5/29 vs. San Diego 1:20 PM CSN
Wed 5/30 vs. San Diego 1:20 PM CSN
Fri 6/1 @ SF Giants 9:15 PM WGN
Sat 6/2 @ SF Giants 6:15 PM FOX
Sun 6/3 @ SF Giants 3:05 PM WGN
Mon 6/4 @ SF Giants 2:45 PM CSN
Tue 6/5 @ Milwaukee 7:10 PM WGN
Wed 6/6 @ Milwaukee 7:10 PM CSN
Thur 6/7 @ Milwaukee 1:10 PM CSN
Fri 6/8 @ Minnesota 7:10 PM WGN
Sat 6/9 @ Minnesota 1:10 PM CSN
Sun 6/10 @ Minnesota 1:10 PM WGN
Tue 6/12 vs. Detroit 7:05 PM CSN
Wed 6/13 vs. Detroit 7:05 AM WCIU
Thur 6/14 vs. Detroit 1:20 PM CSN
Fri 6/15 vs. Boston 1:20 PM CSN
Sat 6/16 vs. Boston 6:15 PM FOX
Sun 6/17 vs. Boston TBD (WGN or ESPN)
Mon 6/18 @ White Sox 7:10 PM WCIU
Tue 6/19 @ White Sox 7:10 PM CSN
Wed 6/20 @ White Sox 7:10 PM WGN
Fri 6/22 @ Arizona 8:40 PM WGN
Sat 6/23 @ Arizona 9:10 PM CSN
Sun 6/24 @ Arizona 3:10 PM CSN
Mon 6/25 vs. NY Mets 7:05 PM CSN+
Tue 6/26 vs. NY Mets 7:05 PM WCIU
Wed 6/27 vs. NY Mets 1:20 PM CSN
Fri 6/29 vs. Houston 1:20 PM WGN
Sat 6/30 vs. Houston 3:05 PM WGN
Sun 7/1 vs. Houston 1:20 PM CSN
Mon 7/2 @ Atlanta 6:10 PM CSN
Tue 7/3 @ Atlanta 6:10 PM CSN
Wed 7/4 @ Atlanta 6:10 PM WGN
Thur 7/5 @ Atlanta 6:10 PM CSN
Fri 7/6 @ NY Mets 6:10 PM CSN
Sat 7/7 @ NY Mets 3:10 PM WGN
Sun 7/8 @ NY Mets 12:10 PM CSN
Fri 7/13 vs. Arizona 1:20 PM CSN
Sat 7/14 vs. Arizona 3:05 PM FOX
Sun 7/15 vs. Arizona 1:20 PM WGN
Tue 7/17 vs. Miami 7:05 PM CSN
Wed 7/18 vs. Miami 7:05 PM WGN
Thur 7/19 vs. Miami 1:20 PM CSN
Fri 7/20 @ St. Louis 7:15 PM WGN
Sat 7/21 @ St. Louis 3:05 PM FOX
Sun 7/22 @ St. Louis 1:15 PM WGN
Mon 7/23 @ Pittsburgh 6:05 PM CSN
Tue 7/24 @ Pittsburgh 6:05 PM CSN
Wed 7/25 @ Pittsburgh 11:35 AM WGN
Fri 7/27 vs. St. Louis 1:20 PM CSN
Sat 7/28 vs. St. Louis 12:05 PM CSN
Sun 7/29 vs. St. Louis 1:20 PM WGN
Mon 7/30 vs. Pittsburgh 7:05 PM CSN
Tue 7/31 vs. Pittsburgh 7:05 PM WGN
Wed 8/1 vs. Pittsburgh 1:20 PM WGN
Fri 8/3 @ LA Dodgers 9:10 PM WGN
Sat 8/4 @ LA Dodgers 8:10 PM CSN
Sun 8/5 @ LA Dodgers TBD (WGN or ESPN)
Mon 8/6 @ San Diego 9:05 PM CSN
Tue 8/7 @ San Diego 9:05 PM CSN+
Wed 8/8 @ San Diego 5:35 PM WGN
Thur 8/9 vs. Cincinnati 7:05 PM CSN
Fri 8/10 vs. Cincinnati 1:20 PM WGN
Sat 8/11 vs. Cincinnati 3:05 PM CSN
Sun 8/12 vs. Cincinnati 1:20 PM WGN
Mon 8/13 vs. Houston 7:05 PM CSN+
Tue 8/14 vs. Houston 7:05 PM CSN
Wed 8/15 vs. Houston 1:20 PM WGN
Fri 8/17 @ Cincinnati 6:10 PM WGN
Sat 8/18 @ Cincinnati 6:10 PM CSN
Sun 8/19 @ Cincinnati 12:10 PM WGN
Mon 8/20 @ Milwaukee 7:10 PM WCIU
Tue 8/21 @ Milwaukee 7:10 PM CSN+
Wed 8/22 @ Milwaukee 1:10 PM WGN
Fri 8/24 vs. Colorado 1:20 PM WGN
Sat 8/25 vs. Colorado 12:05 PM CSN
Sun 8/26 vs. Colorado 1:20 PM WGN
Mon 8/27 vs. Milwaukee 7:05 PM CSN
Tues 8/28 vs. Milwaukee 7:05 PM WGN
Wed 8/29 vs. Milwaukee 7:05 PM CSN+
Thur 8/30 vs. Milwaukee 1:20 PM CSN
Fri 8/31 vs. SF Giants 1:20 PM CSN
Sat 9/1 vs. SF Giants 3:05 PM FOX
Sun 9/2 vs. SF Giants 1:20 PM WGN
Mon 9/3 @ Washington 12:05 PM WGN
Tues 9/4 @ Washington 6:05 PM CSN
Wed 9/5 @ Washington 6:05 PM CSN
Thur 9/6 @ Washington 6:05 PM CSN
Fri 9/7 @ Pittsburgh 6:05 PM CSN
Sat 9/8 @ Pittsburgh 6:05 PM CSN
Sun 9/9 @ Pittsburgh 12:35 PM WGN
Mon 9/10 @ Houston 7:05 PM CSN
Tues 9/11 @ Houston 7:05 PM WCIU
Wed 9/12 @ Houston 7:05 PM CSN+
Fri 9/14 vs. Pittsburgh 1:20 PM WGN
Sat 9/15 vs. Pittsburgh 12:05 PM CSN
Sun 9/16 vs. Pittsburgh 1:20 PM WGN
Mon 9/17 vs. Pittsburgh 7:05 PM CSN
Tue 9/18 vs. Cincinnati 7:05 PM CSN
Wed 9/19 vs. Cincinnati 7:05 PM CSN
Thur 9/20 vs. Cincinnati 1:20 PM CSN
Fri 9/21 vs. St. Louis 1:20 PM CSN
Sat 9/22 vs. St. Louis TBD (WGN or FOX)
Sun 9/23 vs. St. Louis 1:20 PM WGN
Tue 9/25 @ Colorado 7:40 PM WGN
Wed 9/26 @ Colorado 7:40 PM CSN
Thur 9/27 @ Colorado 2:10 PM WGN
Fri 9/28 @ Arizona 8:40 PM CSN
Sat 9/29 @ Arizona 7:10 PM WGN
Sun 9/30 @ Arizona 3:10 PM WGN
Mon 10/1 vs. Houston 7:05 PM CSN
Tue 10/2 vs. Houston 7:05 PM CSN+
Wed 10/3 vs. Houston 1:20 PM WGN