The magna doodle has pictures of exotic fish.
When Ross says he did his presentation "without any naked chicks," Chandler says "That's the way I did it until I was 19." This is mentioned in S4E12 during Rachel and Monica's lightning trivia round. The question is "Chandler was how old when he first touched a girls breast?" Rachel guesses 14, and Ross states it was actually 19.
Rachel says "Bombay is very nice this time of year", but Bombay was chaged to Mumbai in 1995.
June Gable (Estelle) was once in an episode of 'Barney Miller', which starred Ron Glass (Russell).