Easter egg: When you choose "When Aliens Attack" go to special features and press on his remote, it will take you to a hidden poster.
My Problem With Popplers (a.k.a. The Problem With Popplers) - S2-E18
Easter egg: Highlight "Play Episode" and press up to highlight the Poppler. Press "Ok" to enter a "The Class of Futurama" poster.
Easter egg: On the sub menu click up highlighting nibblers eyeball and then press enter.
Easter egg: Click left on the sub menu while highlighting the tiara and then press enter.
How Hermes Requisitioned His Groove Back - S2-E14
Easter egg: Click right three times to highlight a floppy disc on the sub menu and then press enter.
A Bicyclops Built for Two - S2-E13
Easter egg: Click left on the submenu highlighting jewel and then press enter.
Answer: Yes Leela knew from early on that Fry had feelings for her. They were pretending to be a couple in 'A Flight to Remember' from season 1 and Fry tried to get on dates with Leela ever since. She just didn't show signs of the feelings maybe being mutual before some of the later episodes.
Andreas[DK]