Movies by George Pal
And to Think That I Saw It on Mulberry Street
1944 animated short film by George Pal, based on the book by Dr. Seuss.

500 Hats of Bartholomew Cubbins
Bartholomew Cubbins has SO MANY HATS. Every time he removes one in the presence of the King, it is replaced magically with another. This enrages the King, who brings him to trial, and to the ultimate sentence.
Jasper's Boobytraps
To get his comeuppance, Jasper sets a series boobytraps for Scarecrow.
The Ballet of the Red Radio Valves
Stop-motion animated commercial featuring the Philips MiniWatt-E radio tubes.

Rescue Brigade
A Puppetoon by George Pal