2 Stupid Dogs Storyboard - Kelly Armstrong (1993)

 

From a deleted post by Donovan Cook. 2 Stupid Dogs board by Kelly Armstrong for the episode "Return of Red." John Kricfalusi was initially credited as a writer but does not appear on the aired episode.

Aaron Springer and Stephen Hillenburg Doodles - Early 2000s

 From a deleted post by Jay Lender. Aaron Springer would throw out many drawings in the trash. Afterwards, many Spongebob artists would later dig out the drawings and keep them.

Drawing by Stephen Hillenburg on a sticky note. Likely from the early 2000s.