Doodlebob returns to Spongebob for the first time ever since Season 2 in an episode called "Doodle Dimension", the episode first aired on Friday, March 9th did you see it! 

SpongeBob and Patrick are testing a new invention at Sandy's dome that can send anyone to a different dimension when they walk through the portal - the gang end up being transported to the Doodle Dimension and...  I won't give any spoilers but I recommend you watch it!

We still have Doodlebob pins on our store, create your own doodle dimension with this little guy: