I Can't Play - S2-E7
Revealing mistake: There are two rather blatant mirrored shots showing the Nankatsu supporters before the second half starts - no way to Miss the guy with the odd green hat and the colorful screamer by him. (00:10:30 - 00:11:40)
The Football Is My Best Friend - S1-E4
Audio problem: When Tsubasa says bye to his friends from the top of the overpass, his mouth is not animated for the greater part of the line. (00:04:30)
More trivia for Kyaputen Tsubasa