"Two Dozen and One Greyhounds" was written by Mike Scully and guest starred Frank Welker as a pet greyhound who was introduced in a special called what?
Two Dozen and One Greyhounds:  The episode was written by Mike Scully and directed by Bob Anderson. Santa's Little Helper:  The dog was introduced in the first episode of the show, the 1989 Christmas special "Simpsons Roasting on an Open Fire", in which his owner abandons him for finishing last in a greyhound race.
i don't know