Conversation so far:
When did the pornography incident happen with Paul Reubens?
finding among over 70,000 items of kitsch memorabilia, two grainy videotapes and dozens of photographs that the city attorney's office characterized as a collection of child pornography.
Did Paul Reubens admit to the crime charged against him?
possession of obscene material improperly depicting a child under the age of 18 in sexual conduct.
When in 2002 did this happen?
November.
Did the pornography case go to trial?
The district attorney looked at Reubens' collection and computer and found no grounds for bringing any felony charges against him, while the city attorney, Rocky Delgadillo brought misdemeanor charges.

Question: How did Paul Reubens plead to the charges?
Self-contained rewrite: How did Paul Reubens plead to the charges?