Some info from Jokers site about premptions:
It's that frustrating time of the season when BB gets pre-empted for preseason football. Here's a handy listing of CBS stations not showing BB6 at its usual time or channel, and when or where you can tune in so that you won't miss an episode.
Thursday, Aug. 11
Green Bay, WI: WFRV at 1:05 a.m.
Escanaba, MI: WJMN at 2:05 a.m.
Saturday, Aug. 13
Syracuse, NY: WTVH at 11:35 p.m.
Washington, DC: WUSA at 12:35 a.m.
Greensboro, NC: WFMY at 2:00 a.m.
Charleston, SC: WCSC at 11:35 p.m.
Spartanburg, SC: WSPA at 11:35 p.m.
Miami, FL: Moved to WBFS (UPN33) at 8:00 p.m.
Jacksonville, FL: WTEV at 2:00 a.m.
Cleveland, OH: WOIO at 2:05 a.m.
Bryan, TX: KBTX at 10:35 p.m.
Austin, TX: KEYE at 10:35 p.m.
Denver, CO: KCNC at 10:35 p.m.
Colorado Springs, CO: KKTV at 9 p.m.
Palm Springs, CA: KPSP at 10:00 p.m.
Los Angeles, CA: KCBS at 10:00 p.m.
Sacramento, CA: KOVR at 10:00 p.m.
Fresno, CA: KGPE at 10:00 p.m.
Salinas, CA: KION at 10:00 p.m.
San Francisco, CA: Moved to KBHK (UPN44) at 8:00 p.m.
Saturday, Aug. 20
Syracuse: WTVH at 11:35 p.m.
Harrisburg, PA: WHP at 10:30 p.m.
Altoona, PA: WTAJ at 11:35 p.m.
Pittsburgh, PA: Moved to WNPA (UPN19) at 8:00 p.m.
Greensboro, NC: WFMY at 2:00 a.m.
Charleston, SC: WCSC at 11:35 p.m.
Spartanburg, SC: WSPA at 11:35 p.m.
Miami, FL: Moved to WBFS (UPN33) at 8:00 p.m.
Jacksonville, FL: WTEV at 2:00 a.m.
South Bend, IN: WSBT at 11:35 p.m.
Green Bay, WI: WFRV at 12:35 a.m. (Monday morning)
Escanaba, MI: WJMN at 1:35 a.m. (Monday morning)
Rockford, IL: WIFR at 11:00 p.m.
Memphis, TN: WREG at 12:35 a.m.
Kansas City, MO: KCTV at 2:00 a.m.
Tyler, TX: KYTX at 10:30 p.m.
Bryan, TX: KBTX at 10:35 p.m.
Austin, TX: KEYE at 10:35 p.m.
Topeka, KS: WIBW at 2:05 a.m.
Wichita, KS: KWCH at 11:05 p.m.
Hays, KS: KBSH at 11:05 p.m.
Dodge City, KS: KBSD at 11:05 p.m.
Goodland, KS: KBSL at 11:05 p.m.
Denver, CO: KCNC at 10:35 p.m.
Colorado Springs, CO: KKTV at 1:05 a.m.
Idaho Falls, ID: KIDK at 9:00 p.m.
Boise, ID: KBCI at 10:35 p.m.
Sacramento, CA: KOVR at 9:00 p.m.
Salinas, CA: KION at 12:00 a.m.
San Francisco, CA: Moved to KHBK (UPN44) at 8:00 p.m.
BB6 will not air on the following dates:
Saturday, Aug. 27 (national football game)
Saturday, Sep. 10 (national tennis match)
Thursday, Sep. 15 (Survivor: Guatemala premiere)
Saturday, Sep. 17 (national college football game)
Disclaimer stuff: All times are local. Times and stations are based on Internet TV listings and are subject to change depending on the length of game or blackout restrictions. Other stations not listed may also pre-empt BB6 for football or other events.