Carl² (Carl Squared) is a Canadian animated sitcom which explores what would happen if a teenager had a clone.

Carl Crashman is a lazy, stereotypical teenager who has mastered the art of slacking off and finding ways not to spend time with his family.

His hobbies include reading comic books, using his computer, playing video games, verbally blogging online, and skateboarding.

In the episode Clone Scene Investigation, Mr. Agar commented that Carl was "the poster boy for slackers everywhere".

In Season 1, Carl wears an orange shirt, light blue jeans, and white bouncers.

As of Season 2, Carl wears a brown shirt, dark blue jeans, and green and white bouncers.

As of Season 2, he wears a flipped white visor, a yellow T-shirt, and black pants.

Sky is Carl's vegetarian girlfriend who is passionate about social justice issues, such as environmentalism and animal rights.

[3][4] The Season 4 one was made as a mystery; after the first part of the episode, Teletoon viewers were asked to go to the show's website and try to solve it.

[6] Carl is forced to hand out candy for Halloween, but makes use of C2 to handle it for him so that he can get to Skye's party.

C2 believes that everything is free on Halloween and ends up helping a burglar (mistaking him for a trick-or-treater) rob a store!

When Carl wants to ask his dream girl, Skye, to 'hang on a full time basis,' he realizes that his cocky ways 'don't fly,' where C2 has a natural sensitivity for romance.

After a disaster concerning C2 making a fool out of himself while taking the annual family Christmas picture, Carl tells C2 that there is no such thing as Santa.

[16] In Latin America and Brazil, the series aired on Cartoon Network and HBO Family.

Some, but not all, of the first season was made available by the distributor Portfolio Entertainment on the company's YouTube channel on June 22, 2017.

[19] As of September 28, Amazon Video also carries the show via Kid Genius Cartoons Plus!,[20] spanning the first two seasons and part of the third.