| 450 Motocross Premiere Class |
| Glen Helen | Saturday | May 31, 2008 | 9:00 PM ET |
| Hangtown | Sunday | June 8, 2008 | 6:00 PM ET |
| Freestone | Sunday | June 15, 2008 | 6:00 PM ET |
| High Point | Saturday | June 21, 2008 | 10:00 PM ET |
| Thunder Valley * | Saturday | June 28, 2008 | 11:30 PM ET |
| RedBud | Saturday | July 12, 2008 | 10:00 PM ET |
| Budds Creek * | Sunday | July 13, 2008 | 10:00 PM ET |
| Unadilla | Saturday | July 26, 2008 | 10:00 PM ET |
| Washougal | Saturday | August 2, 2008 | 10:00 PM ET |
| Spring Creek | Saturday | August 23, 2008 | 10:00 PM ET |
| Motocross 338 * | Sunday | August 24, 2008 | 6:00 PM ET |
| Steel City | Saturday | September 6, 2008 | 10:00 PM ET |
* Same day coverage
SPEED will air 12 one-hour broadcasts of the 250 class in the week following the 450 class.
| 250 Motocross Lites Class |
| Glen Helen | Tuesday | June 3, 2008 | 9:00 PM ET |
| Hangtown | Sunday | June 15, 2008 | 5:00 PM ET |
| Freestone | Tuesday | June 17, 2008 | 2:00 PM ET |
| High Point | Sunday | June 29, 2008 | 2:00 PM ET |
| Thunder Valley | Tuesday | July 8, 2008 | 1:00 PM ET |
| RedBud | Tuesday | July 15, 2008 | 2:00 PM ET |
| Budds Creek * | Thursday | July 24, 2008 | 2:00 PM ET |
| Unadilla | Tuesday | July 29, 2008 | 2:00 PM ET |
| Washougal | Wednesday | August 6, 2008 | 2:00 PM ET |
| Spring Creek | Tuesday | August 26, 2008 | 2:00 PM ET |
| Motocross 338 * | Tuesday | September 2, 2008 | 2:00 PM ET |
| Steel City | Tuesday | September 9, 2008 | 2:00 PM ET |
For FIM World Motocross Grand Prix TV info click here.
