South Park

I like that phrase, “accidental copying”.

“South Park” duo apologize for accidental copying
LOS ANGELES (Hollywood Reporter) ñ The creators of “South Park” have apologized to the makers of a CollegeHumor video for using dialogue from the Web short for an episode of the Comedy Central show that ran Wednesday.
The “South Park” episode “Insheeption” and the CollegeHumor video “Inception Characters Don’t Understand Inception,” which was posted online in August, both parodied the complex language and theories of the hit film “Inception.” The two projects featured the exact same line, “Sometimes my thoughts of my dead wife manifest themselves as trains,” as well as other similar wording.
Matt Stone explained the gaff to the New York Times Friday, saying that when he and co-creator Trey Parker couldn’t get hold of the actual movie for reference they turned to the Internet and mistakenly thought the dialogue used in the CollegeHumor video were taken directly from the Christopher Nolan picture.
Stone told the Times, “It’s just because we do the show in six days, and we’re stupid and we just threw it together. But in the end, there are some lines that we had to call and apologize for.”
Dan Gurewitch, who penned the CollegeHumor parody with David Young, wrote on his blog Friday that Stone was “extremely nice and apologetic” about the incident, and that there were no hard feelings. Gurewitch said, “All is well, and we’re going to meet with Matt and Trey when they’re in New York.”