Haleh and Chuny recount a very tall patient walking around with a gurney on his back. This occurred in the season 1 episode Full Moon, Saturday Night (1995).
When describing the paint options to Neela, Archie says, "I sound gay...not that there's anything wrong with that." This was the line from Seinfeld S4, E17 - The Outing.
When Morris, played by Scott Grimes, is yelling at the police detective, he mentions the police being "A Band of Brothers." Grimes was a cast member in HBOs mini-series Band of Brothers (2001).