CinemaSins is a popular YouTube channel known for its humorous critiques of movies. The channel features a series of videos where the hosts point out perceived flaws, clichés, and inconsistencies in films, often using a comedic tone. Each video typically ends with a "sin count," tallying the number of "sins" the movie has accumulated. The channel was created in 2012 and has gained a large following due to its entertaining approach to film analysis. CinemaSins has expanded its content to include series like "Everything Wrong With," where they focus on specific movies, and has inspired similar channels in the online film critique community.