After the scene when both Leelas run out of the room we see Fry standing, staring out the window of the Planet Express tower.
You see the light is shining through the window onto the balcony causing the vertical panes to cast shadows but Fry's shadow is noticeably missing
Right after Fry says “I love Leela! Any Leela!” you can see that robot Leela has the bandages on her left arm AND the gizmo on her right arm.
When Bender emerges from the cyclops eater's mouth, he has two eyes