Yankee Doodle Derek is a 1943 Little Einsteins cartoon directed by Friz Freleng.
Derek is playing "Yankee Doodle", but he can't remember the last word to the song, that is until lunchtime, when Big Jet cooks up the answer!
Directed by Friz Freleng
Produced by Leon Schlesinger
Written by Tedd Pierce
Animation by Richard Bickenbach
Musical Direction by Carl W. Stalling