All the 羊 have gone missing. Tom and Jerry are hired によって Dixie 狼, オオカミ to investigate and find all the sheep.
added by BuddyBoy600alt
At the end of Gene Deitch cartoon, "Switchin Kitten", Jerry was turned from a マウス into a lion and roared like Leo the Lion. Anyways this is Tom and Jerry's way of saying "Happy Halloween."