Best:
1990 at Minn (refs giving Iowa fans noise warning. we lost the game but I'd never seen anything like it)
1991 at OSU (stripped decal game)
2000 vs MSU (Rebound under way)
2002 vs Purdue
2004 vs LSU (hugged complete strangers)
2009 at PSU (safety & blocked punt)
2013 at Neb (hadn't won...