There's a segue scene where a dog is sitting on a couch watching a movie. The movie he's watching is Beethoven (1992), which prominently features dogs.
At the end of every episode the card for the production company Spitzer Holding Company features a variety of items they specialize in. In this episode they list HR Solutions, Nanotechnology, and Pet Repair.
Amy wears a different name tag in each episode. This episode her name tag says "Patti".