Continuity mistake: During the chase after the concert we see Beck's tour bus in the mirror of the Combi. The word Beck in the front of the bus is the right way around. It should be reversed. (It is the right way around in other shots). (00:19:30)
Continuity mistake: When Cylon and Garfunkel are singing "Scarborough Fair" note that when you see them from the front there is one microphone, but when viewed from behind there are two.
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]