You Don't Know What You're Brewin'! is a 1931 Little Einsteins cartoon directed by Rudolf Ising.


Leo takes his girlfriend to the local theater, and relishes in the many performances the theater has to offer!


Directed by Rudolf Ising
Produced by Hugh Harman
Rudolf Ising
Leon Schlesinger
Drawn by Isadore Freleng
Norm Blackburn
Musical Score and Direction by Frank Marsales