In the first film, when Sherman is fighting Buddy, Buddy yells "SHERMAN, YOU CAN'T BEAT ME!" Buddy turns back into Sherman and yells "YES, I CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAANNNNNNNN!!!" Sherman eventually wins the fight. Also doubles as a CMOA.
Followed by Sherman's "Be yourself" speech.
The end of the second film, when Sherman gets his intelligence back.