The official YouTube channel for Sesame Street briefly was hacked with explicit content before being restored, according to CNN.
On Sunday, the page was overtaken with pornography for about 20 minutes before being removed.
"We apologize for any inconvenience our audience may have experienced yesterday on our Sesame Street YouTube channel," it said on the YouTube page afterward. "Our channel was temporarily compromised, but we have since restored our original line-up of the best classic Sesame Street video clips featuring Cookie Monster, Big Bird, Grover, Oscar the Grouch, and the rest of the fuzzy, feathered, and googly-eyed friends you remember from childhood."
CNN further reported that YouTube issued a brief statement Sunday noting that the Google-owned video site prohibits graphic content and removes inappropriate posts as soon as they become aware of them.
Although a message from two users claimed responsibility, one denied his involvement on his account page. "I did not hack Sesame Street. I am an honest YouTuber. I work hard to make quality gameplay videos, and most important I respect the community guidelines."