Anthology of Interest 2 - S4-E3
Factual error: When human-Bender is dancing in the disco with the two girls there is a fully lit disco ball which manages to cast no light beams on the walls and floor, as they normally do.

Starring: John DiMaggio, Katey Sagal, Tress MacNeille, Billy West, Lauren Tom
Anthology of Interest 2 - S4-E3
Factual error: When human-Bender is dancing in the disco with the two girls there is a fully lit disco ball which manages to cast no light beams on the walls and floor, as they normally do.

Continuity mistake: When Fry falls into the cryogenic chamber his whistle drops right next to the chair. When it cuts, the whistle is gone. (00:01:50)
Lrr: I am Lrr. Ruler of the planet Omicron Persei 8.
I, Roommate - S1-E3
Trivia: Bender's apartment number is 00100100 which, on the ASCII chart, is a Dollar sign. (00:05:35)
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]