We have some options:
http://www.supercrossonline.com/TV/
Date Time City Racing Airing Channel
1/12 9:30 PM ET LIVE - Phoenix, AZ 450SX and 250SX Original SPEED
1/20 1:00 PM ET Anaheim, CA 450SX Original CBS
2/2 10:30 PM ET LIVE - Anaheim, CA 450SX and 250SX Original SPEED
2/9 10:30 PM ET LIVE - San Diego, CA 450SX and 250SX Original SPEED
2/16 9:30 PM ET LIVE - Arlington, TX 450SX and 250SX Original SPEED
2/23 7:30 PM ET LIVE - Atlanta, GA 450SX and 250SX Original SPEED
3/3 12:00 PM ET St. Louis, MO 450SX Original CBS
3/16 7:30 PM ET LIVE - Indianapolis, IN 450SX and 250SX Original SPEED
3/23 8:00 PM ET LIVE - Toronto, ON 450SX and 250SX Original SPEED
4/6 9:30 PM ET LIVE - Houston, TX 450SX and 250SX Original SPEED
4/14 12:00 PM ET Minneapolis, MN 450SX Original CBS
4/21 1:00 PM ET Seattle, WA 450SX Original SPEED
4/27 9:30 PM ET LIVE - Salt Lake City, UT 450SX and 250SXOriginal SPEED
5/4 10:00 PM ET LIVE - Las Vegas, NV 450SX and 250SX Original SPEED