Zurg's rant about heroes escaping from a trash compactor is a clear reference to 'Star Wars.'
The battle between Buzz and Zurg where they are each wielding glowing rods mirrors the many lightsaber battles from the 'Star Wars' series.
At the tea party, Buzz is wearing the same hat and apron he was wearing in the original 'Toy Story.' ("I am Mrs. Nesbitt!")