I have a few in mind.
In chronological order
1. PSU Nebraska 1982-PSU guy called in bounds
2. Colorado Missouri 1990- Fifth down (and the Colorado guy still was stopped short of the goal line)
3. Nebraska Missouri 1997-Flea kicker
4. Miami Ohio State 2003- No comment needed
5. Florida Iowa 2006- Entire game, especially the onside kick
6. OU Oregon 2006- Onside kick
In chronological order
1. PSU Nebraska 1982-PSU guy called in bounds
2. Colorado Missouri 1990- Fifth down (and the Colorado guy still was stopped short of the goal line)
3. Nebraska Missouri 1997-Flea kicker
4. Miami Ohio State 2003- No comment needed
5. Florida Iowa 2006- Entire game, especially the onside kick
6. OU Oregon 2006- Onside kick