Continuity mistake: When Dr. Zoidberg walks out of the bathroom, he zips up his shirt, and the zipper is just visible above his buttoned up jacket.After that, it's not seen in this episode or ever again. (00:01:45)
Continuity mistake: When Bender starts talking about Clem Johnson at the baseball game, his bottle is empty, but in the next shot it is half full. (00:03:05)
Continuity mistake: When Hermes first brings in the package of lugnuts the address is on two lines, the "To:" and "Chapek 9", but after that shot the address is all on one single line, - "To: Chapek 9". (00:04:35)
Continuity mistake: In the scenes with the robot elders, the colour of the Elder's eyes change frequently between shots.
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]