After getting some curiosity and looking into whether or not there are examples of the first filmes storyboard online I found something pretty amazing. The following links go to a document sharing website that shows some of the filmes storyboard, mais specifically the opening scene where the main characters are pups still.

So you may be thinking this is cool enough as is but here's the best part, it features parts that were not included in the final film we all know and love. Parts like Shakey getting launched off a log sled and landing on a porcupine, Salty getting clothes-lined por a branch,...