The Simpsons Season 18 Episode 20
Stop or My Dog Will Shoot!
S18 E20
Aired May 13, 2007 23m
The Simpsons' pooch, Santa's Little Helper, becomes a police dog.
Guest Stars
Stephen Hawking
Stephen Hawking (voice)
Rudolph Giuliani
Rudy Giuliani (voice)
Russi Taylor
Martin Prince (voice)
Marcia Wallace
Edna Krabappel (voice)
Karl Wiedergott
Additional Voices (voice)
Season 18
