Continuity mistake: When Bender get axed in the back Leela says he can't give up every time he gets axed and drilled through his face, while having both her hands placed on the ring's floor. When it cuts her left hand is off the floor.
Continuity mistake: Before Bender fight Destructor Leela reads from the script while holding it with both hands. When it cuts she holds the script with one hand and Bender's wand suddenly appears in her other hand.
Continuity mistake: When Leela turns on the TV we see Bender standing on top of the globe. He stands on dry land with nothing but the ocean surrounding him. When it cuts extra land and islands in the ocean appears.
As the power builds up in Bender, his left eye pops out, making him a cyclops, subsequently being eaten by the Cyclops eater. After the monster dies, Bender comes out, and has two eyes in the long shot, but puts his left eye back in the close up.