The boys refuse to let "Swifting" replace their favorite meme.
Stan goes behind the other boys' backs to try out a new meme.
After making headlines, the boys learn that their meme of choice is no longer in style.
Professor Lamont confronts the cat responsible for the new meme, while another memer dies "Reporting...
Professor Lamont steps up his lessons about the dangers of memeing.
Cartman and Kyle finally give up on "Hilling".
The Republican Candidates try their best to sway the Ambassador of Cats.
Cartman refuses to bow to the new fad, and instead pulls off the greatest "Hilling" ever seen.
After seeing evidence of a shocking new meme, Professor Lamont learns that cats are evolving.
The boys attract attention while recording their new meme.
The boys drop in on the Republican Debate and pull off a large scale "Hilling".
The Ambassador of People tries to communicate with the cat who created the Oh Long Johnson meme.
Cartman confronts Mr. Kitty about posting "Breading" pictures online, while Kenny has second thought...
Two teens are killed doing a new internet meme, which was started by a cat.
The class watches an educational film on the deadly consequences of memeing.