Continuity mistake: When Fry and Bender are playing the chess looking game the horse lays its head on a red square. When it cuts its head is on a white square. (00:00:10)
Continuity mistake: During the court case, the lady judge has a band-aid on her forehead. It disappears and reappears throughout the scene. (00:06:20)
Continuity mistake: When Brannigan and Kif leaves the DOOP Headquarters the broken glass on the main entrance door differ between the shots. (00:08:05)
Continuity mistake: After Brannigan has explained the plan to attack the Neutral Planet, Fry turns around in his chair and you can see the head rest goes together with the chair. When it cuts the head rest sits on a bar attached to the chair. (00:16:35)
Continuity mistake: When Bender and Fry are loading the dark matter into the left engine the amount of matter on the trolley differ between the shots. (00:19:25)
Continuity mistake: At the end when Bender and Fry are polishing the ship the foam on the ship differ, disappear and reappear between the shots. (00:20:35)
Continuity mistake: At the end when Bender and Fry are polishing the ship, Bender change from polishing the side of the ship and the window between the shots. (00:20:35)
Continuity mistake: When the professor is talking to Zap and Kiff when they are sitting at the table Hermes has two buttons but later he only has one button.
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]