This may had ran longer
From The Lost Media Wiki
As a "TV Film Series in Production Since April 1" list in the June 19, 1954 issue of Billboard says that Paddy the pelican was planned to ran for 65 episodes, It can assume that there were other episode of this made but are missing https://books.google.ca/books?id=4h4EAAAAMBAJ&pg=PA8&dq=paddy-the-pelican&hl=en&sa=X&ved=0ahUKEwj0po6Ug9PcAhXErVkKHZ4hAF4Q6AEIKzAB#v=onepage&q=paddy-the-pelican&f=false