The scene where Joey hugs the little chicken and Chandler remarks, "Easy Lenny", is a reference to the character 'Lenny' from the John Steinbeck classic novel, 'Of Mice and Men', who held small animals too tightly and killed them accidentally.
At the beginning of the episode Gunther brings Rachel a cocoa outside of Central Perk, even though it's against the rules. In The One with Frank Jr. (1996) Gunther sends Rachel outside to get the cup Phoebe had outside, but of course he would bend the rules for Rachel.
At around 17 mins, Little Yasmine (the baby chick) poops on the Lazy Boy while Joey is speaking to Chandler about why he did not get rid of the chick.
Starting with this episode until the season 3 finale, Matthew Perry has a goatee which in recent revelations revealed he was taking 55 Vicodin a day just to not feel sick.
Final appearance of the Moondance Diner.