While tending to Shelby, Monk uses the Sha-Poopie, a catch-in-action pooper scooper. The device was invented by Tony Shalhoub's brother Dan.
Shelby, Amanda's dog, is a Polish Lowland Sheepdog, and is played by the dog-actor Sparky. The first dog, which Amanda feeds and tells to get a ball, is a Border Collie. The dog with Mr. Monk is a Polish Lowland Sheepdog.
The dog in this episode, Shelby, is played by the dog-actor Sparky. He also plays the role of Paul Anka in Gilmore Girls (2000).
Only 20% of Australian Shepherds are born without a tail.
When Monk introduces Shelby into his home, there is a paint drip down the wall in Shelby's "corner". This wouldn't have existed in Monk's home.