Original: In July 1991, after deciding to take a few years' sabbatical from Pee-wee, Reubens was arrested for indecent exposure in an adult theater in Sarasota, Florida. The arrest set off a chain reaction of national media attention that changed the general public's view of Reubens and Pee-wee.
Simplified: In 1991, Reubens was arrested for misbehaving in an adult movie theater; this ended the Pee-Wee craze and forced Reubens to stop playing the character.