Eyeshield 21 - Season 1 Episode 66 Sprinter Sena!?
Overview: Ishimaru misses practice because another member of his athletic club injures his knee at a practice and he can't run for three weeks. Sena offers to send Eyeshield 21 to run in his place but figuring Hiruma won't let him, goes as himself. Sena helps the athletic club reach the finals, where they win first place.