SEBASTOPOL, Calif. -- This could the worst or the cutest knock-knock joke you will ever hear.
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It has to do with this little goat.
Sebastopol Police Services posted a picture on its Facebook page saying they've identified a mystery door knocker.
Apparently, this little guy escaped from its home Monday and started banging on a random door at 1:30 a.m.
The homeowner had no idea who or what it was.
Officers found him while he was still knocking on the door with its head.
They took him into custody and later reunited him with his owner.
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