I actually caught this on Comedy Central the other day. I almost completely forgot about it... probably because of Bender's "old" coarse voice that John DiMaggio used to use for him. I like his voice better now (seems a bit brighter).
Anyway, yeah I would agree this was a pretty good epsiode. I enjoyed the whole voyage that Leela and Fry took to search for Bender and Nibbler in the sewers. It gave the viewers a glance of the sewer mutants that dwell beneath New New York. This episode had its funny moments such as tying Leela, ripping her shirt to show cleavage, and "sacrifice" her to El Chupanibre (a-la King Kong-esqe type of sacrifice). The Professor Farnsworth chip analysis at the end cracked me up simply because I knew it was coming. That's always humor I can enjoy.
I wonder what the sewers underneath Old New York are like?? 8/10