User blog comment:Omgitskittykatty/News and Stuff Plz/@comment-24574398-20150308210144

The answer to the trivia question is:

...

Maybe. In Into the Wild Green Yonder, Billy West had to record a random recount of a power failure in the Futurama studio. It includes the phrase "to clean up cat shit," which, due to a deleted scene in the exact same scene of the movie being in the special features, is disputed to be in the final film. And again, it was pitched very quietly.

And it was bleeped in the special features, maybe in the film?

Also, apparently to the commentary of several episodes, Lauren Tom keeps the Chinese "cursing" clean. "No, she keeps it clean" - John DiMaggio in "The Deep South"(?)