Easter egg: In the two-disc deluxe version, go to the root menu, highlight the first item; press the right navigation arrow and the knob on the TV highlights. Press enter to watch the Buzz Light Year TV commercial from the movie.
Easter egg: Go to "index" and select the star in the lower left hand corner (I think) this takes you to a screen that has a lot of titles on it. Press "play all" they are little movies like happy meal toys of Buzz Hamm Woody and Rex. They are also in stars all over the DVD (special edition disk 2).
Answer: There wasn't anything for him to get drunk on. He was just wallowing in self pity and frankly, his world had just fallen apart, so it's understandable that he'd act a little loopy as a reaction.
Garlonuss ★